21469140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1549}}^1$

素因数の和:1582

約数の個数: 144

約数和(自身を含む): 81244800

約数和(自身を除く): 59775660

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, 1549, 1980, 2310, 2772, 3098, 3465, 4620, 4647, 6196, 6930, 7745, 9294, 10843, 13860, 13941, 15490, 17039, 18588, 21686, 23235, 27882, 30980, 32529, 34078, 43372, 46470, 51117, 54215, 55764, 65058, 68156, 69705, 85195, 92940, 97587, 102234, 108430, 119273, 130116, 139410, 153351, 162645, 170390, 195174, 204468, 216860, 238546, 255585, 278820, 306702, 325290, 340780, 357819, 390348, 477092, 487935, 511170, 596365, 613404, 650580, 715638, 766755, 975870, 1022340, 1073457, 1192730, 1431276, 1533510, 1789095, 1951740, 2146914, 2385460, 3067020, 3578190, 4293828, 5367285, 7156380, 10734570, 21469140]

約数ペア:

[(1, 21469140), (2, 10734570), (3, 7156380), (4, 5367285), (5, 4293828), (6, 3578190), (7, 3067020), (9, 2385460), (10, 2146914), (11, 1951740), (12, 1789095), (14, 1533510), (15, 1431276), (18, 1192730), (20, 1073457), (21, 1022340), (22, 975870), (28, 766755), (30, 715638), (33, 650580), (35, 613404), (36, 596365), (42, 511170), (44, 487935), (45, 477092), (55, 390348), (60, 357819), (63, 340780), (66, 325290), (70, 306702), (77, 278820), (84, 255585), (90, 238546), (99, 216860), (105, 204468), (110, 195174), (126, 170390), (132, 162645), (140, 153351), (154, 139410), (165, 130116), (180, 119273), (198, 108430), (210, 102234), (220, 97587), (231, 92940), (252, 85195), (308, 69705), (315, 68156), (330, 65058), (385, 55764), (396, 54215), (420, 51117), (462, 46470), (495, 43372), (630, 34078), (660, 32529), (693, 30980), (770, 27882), (924, 23235), (990, 21686), (1155, 18588), (1260, 17039), (1386, 15490), (1540, 13941), (1549, 13860), (1980, 10843), (2310, 9294), (2772, 7745), (3098, 6930), (3465, 6196), (4620, 4647)]