21167772668

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{1217}}^1$

素因数の和:1531

約数の個数: 96

約数和(自身を含む): 44207514624

約数和(自身を除く): 23039741956

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 103, 148, 163, 206, 259, 326, 412, 518, 652, 721, 1036, 1141, 1217, 1442, 2282, 2434, 2884, 3811, 4564, 4868, 6031, 7622, 8519, 12062, 15244, 16789, 17038, 24124, 26677, 33578, 34076, 42217, 45029, 53354, 67156, 84434, 90058, 106708, 117523, 125351, 168868, 180116, 198371, 235046, 250702, 315203, 396742, 470092, 501404, 621193, 630406, 793484, 877457, 1242386, 1260812, 1388597, 1754914, 2484772, 2777194, 3509828, 4348351, 4637987, 5554388, 7339727, 8696702, 9275974, 14679454, 17393404, 18551948, 20432213, 29358908, 32465909, 40864426, 51378089, 64931818, 81728852, 102756178, 129863636, 143025491, 205512356, 286050982, 572101964, 755991881, 1511983762, 3023967524, 5291943167, 10583886334, 21167772668]

約数ペア:

[(1, 21167772668), (2, 10583886334), (4, 5291943167), (7, 3023967524), (14, 1511983762), (28, 755991881), (37, 572101964), (74, 286050982), (103, 205512356), (148, 143025491), (163, 129863636), (206, 102756178), (259, 81728852), (326, 64931818), (412, 51378089), (518, 40864426), (652, 32465909), (721, 29358908), (1036, 20432213), (1141, 18551948), (1217, 17393404), (1442, 14679454), (2282, 9275974), (2434, 8696702), (2884, 7339727), (3811, 5554388), (4564, 4637987), (4868, 4348351), (6031, 3509828), (7622, 2777194), (8519, 2484772), (12062, 1754914), (15244, 1388597), (16789, 1260812), (17038, 1242386), (24124, 877457), (26677, 793484), (33578, 630406), (34076, 621193), (42217, 501404), (45029, 470092), (53354, 396742), (67156, 315203), (84434, 250702), (90058, 235046), (106708, 198371), (117523, 180116), (125351, 168868)]