21336700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 61496064

約数和(自身を除く): 40159364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 163, 170, 175, 187, 220, 238, 275, 308, 326, 340, 350, 374, 385, 425, 476, 550, 595, 652, 700, 748, 770, 815, 850, 935, 1100, 1141, 1190, 1309, 1540, 1630, 1700, 1793, 1870, 1925, 2282, 2380, 2618, 2771, 2975, 3260, 3586, 3740, 3850, 4075, 4564, 4675, 5236, 5542, 5705, 5950, 6545, 7172, 7700, 8150, 8965, 9350, 11084, 11410, 11900, 12551, 13090, 13855, 16300, 17930, 18700, 19397, 22820, 25102, 26180, 27710, 28525, 30481, 32725, 35860, 38794, 44825, 50204, 55420, 57050, 60962, 62755, 65450, 69275, 77588, 89650, 96985, 114100, 121924, 125510, 130900, 138550, 152405, 179300, 193970, 213367, 251020, 277100, 304810, 313775, 387940, 426734, 484925, 609620, 627550, 762025, 853468, 969850, 1066835, 1255100, 1524050, 1939700, 2133670, 3048100, 4267340, 5334175, 10668350, 21336700]

約数ペア:

[(1, 21336700), (2, 10668350), (4, 5334175), (5, 4267340), (7, 3048100), (10, 2133670), (11, 1939700), (14, 1524050), (17, 1255100), (20, 1066835), (22, 969850), (25, 853468), (28, 762025), (34, 627550), (35, 609620), (44, 484925), (50, 426734), (55, 387940), (68, 313775), (70, 304810), (77, 277100), (85, 251020), (100, 213367), (110, 193970), (119, 179300), (140, 152405), (154, 138550), (163, 130900), (170, 125510), (175, 121924), (187, 114100), (220, 96985), (238, 89650), (275, 77588), (308, 69275), (326, 65450), (340, 62755), (350, 60962), (374, 57050), (385, 55420), (425, 50204), (476, 44825), (550, 38794), (595, 35860), (652, 32725), (700, 30481), (748, 28525), (770, 27710), (815, 26180), (850, 25102), (935, 22820), (1100, 19397), (1141, 18700), (1190, 17930), (1309, 16300), (1540, 13855), (1630, 13090), (1700, 12551), (1793, 11900), (1870, 11410), (1925, 11084), (2282, 9350), (2380, 8965), (2618, 8150), (2771, 7700), (2975, 7172), (3260, 6545), (3586, 5950), (3740, 5705), (3850, 5542), (4075, 5236), (4564, 4675)]