21524580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1553}}^1$

素因数の和:1586

約数の個数: 144

約数和(自身を含む): 81454464

約数和(自身を除く): 59929884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1553, 1980, 2310, 2772, 3106, 3465, 4620, 4659, 6212, 6930, 7765, 9318, 10871, 13860, 13977, 15530, 17083, 18636, 21742, 23295, 27954, 31060, 32613, 34166, 43484, 46590, 51249, 54355, 55908, 65226, 68332, 69885, 85415, 93180, 97839, 102498, 108710, 119581, 130452, 139770, 153747, 163065, 170830, 195678, 204996, 217420, 239162, 256245, 279540, 307494, 326130, 341660, 358743, 391356, 478324, 489195, 512490, 597905, 614988, 652260, 717486, 768735, 978390, 1024980, 1076229, 1195810, 1434972, 1537470, 1793715, 1956780, 2152458, 2391620, 3074940, 3587430, 4304916, 5381145, 7174860, 10762290, 21524580]

約数ペア:

[(1, 21524580), (2, 10762290), (3, 7174860), (4, 5381145), (5, 4304916), (6, 3587430), (7, 3074940), (9, 2391620), (10, 2152458), (11, 1956780), (12, 1793715), (14, 1537470), (15, 1434972), (18, 1195810), (20, 1076229), (21, 1024980), (22, 978390), (28, 768735), (30, 717486), (33, 652260), (35, 614988), (36, 597905), (42, 512490), (44, 489195), (45, 478324), (55, 391356), (60, 358743), (63, 341660), (66, 326130), (70, 307494), (77, 279540), (84, 256245), (90, 239162), (99, 217420), (105, 204996), (110, 195678), (126, 170830), (132, 163065), (140, 153747), (154, 139770), (165, 130452), (180, 119581), (198, 108710), (210, 102498), (220, 97839), (231, 93180), (252, 85415), (308, 69885), (315, 68332), (330, 65226), (385, 55908), (396, 54355), (420, 51249), (462, 46590), (495, 43484), (630, 34166), (660, 32613), (693, 31060), (770, 27954), (924, 23295), (990, 21742), (1155, 18636), (1260, 17083), (1386, 15530), (1540, 13977), (1553, 13860), (1980, 10871), (2310, 9318), (2772, 7765), (3106, 6930), (3465, 6212), (4620, 4659)]