21968100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:355

約数の個数: 216

約数和(自身を含む): 86119488

約数和(自身を除く): 64151388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 28, 30, 33, 35, 36, 42, 44, 45, 50, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 110, 126, 132, 140, 150, 154, 165, 175, 180, 198, 210, 220, 225, 231, 252, 275, 300, 308, 315, 317, 330, 350, 385, 396, 420, 450, 462, 495, 525, 550, 630, 634, 660, 693, 700, 770, 825, 900, 924, 951, 990, 1050, 1100, 1155, 1260, 1268, 1386, 1540, 1575, 1585, 1650, 1902, 1925, 1980, 2100, 2219, 2310, 2475, 2772, 2853, 3150, 3170, 3300, 3465, 3487, 3804, 3850, 4438, 4620, 4755, 4950, 5706, 5775, 6300, 6340, 6657, 6930, 6974, 7700, 7925, 8876, 9510, 9900, 10461, 11095, 11412, 11550, 13314, 13860, 13948, 14265, 15850, 17325, 17435, 19020, 19971, 20922, 22190, 23100, 23775, 24409, 26628, 28530, 31383, 31700, 33285, 34650, 34870, 39942, 41844, 44380, 47550, 48818, 52305, 55475, 57060, 62766, 66570, 69300, 69740, 71325, 73227, 79884, 87175, 95100, 97636, 99855, 104610, 110950, 122045, 125532, 133140, 142650, 146454, 156915, 166425, 174350, 199710, 209220, 219681, 221900, 244090, 261525, 285300, 292908, 313830, 332850, 348700, 366135, 399420, 439362, 488180, 499275, 523050, 610225, 627660, 665700, 732270, 784575, 878724, 998550, 1046100, 1098405, 1220450, 1464540, 1569150, 1830675, 1997100, 2196810, 2440900, 3138300, 3661350, 4393620, 5492025, 7322700, 10984050, 21968100]

約数ペア:

[(1, 21968100), (2, 10984050), (3, 7322700), (4, 5492025), (5, 4393620), (6, 3661350), (7, 3138300), (9, 2440900), (10, 2196810), (11, 1997100), (12, 1830675), (14, 1569150), (15, 1464540), (18, 1220450), (20, 1098405), (21, 1046100), (22, 998550), (25, 878724), (28, 784575), (30, 732270), (33, 665700), (35, 627660), (36, 610225), (42, 523050), (44, 499275), (45, 488180), (50, 439362), (55, 399420), (60, 366135), (63, 348700), (66, 332850), (70, 313830), (75, 292908), (77, 285300), (84, 261525), (90, 244090), (99, 221900), (100, 219681), (105, 209220), (110, 199710), (126, 174350), (132, 166425), (140, 156915), (150, 146454), (154, 142650), (165, 133140), (175, 125532), (180, 122045), (198, 110950), (210, 104610), (220, 99855), (225, 97636), (231, 95100), (252, 87175), (275, 79884), (300, 73227), (308, 71325), (315, 69740), (317, 69300), (330, 66570), (350, 62766), (385, 57060), (396, 55475), (420, 52305), (450, 48818), (462, 47550), (495, 44380), (525, 41844), (550, 39942), (630, 34870), (634, 34650), (660, 33285), (693, 31700), (700, 31383), (770, 28530), (825, 26628), (900, 24409), (924, 23775), (951, 23100), (990, 22190), (1050, 20922), (1100, 19971), (1155, 19020), (1260, 17435), (1268, 17325), (1386, 15850), (1540, 14265), (1575, 13948), (1585, 13860), (1650, 13314), (1902, 11550), (1925, 11412), (1980, 11095), (2100, 10461), (2219, 9900), (2310, 9510), (2475, 8876), (2772, 7925), (2853, 7700), (3150, 6974), (3170, 6930), (3300, 6657), (3465, 6340), (3487, 6300), (3804, 5775), (3850, 5706), (4438, 4950), (4620, 4755)]