21490534416

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{839999}}^1$

素因数の和:840064

約数の個数: 80

約数和(自身を含む): 61246080000

約数和(自身を除く): 39755545584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 104, 123, 156, 164, 208, 246, 312, 328, 492, 533, 624, 656, 984, 1066, 1599, 1968, 2132, 3198, 4264, 6396, 8528, 12792, 25584, 839999, 1679998, 2519997, 3359996, 5039994, 6719992, 10079988, 10919987, 13439984, 20159976, 21839974, 32759961, 34439959, 40319952, 43679948, 65519922, 68879918, 87359896, 103319877, 131039844, 137759836, 174719792, 206639754, 262079688, 275519672, 413279508, 447719467, 524159376, 551039344, 826559016, 895438934, 1343158401, 1653118032, 1790877868, 2686316802, 3581755736, 5372633604, 7163511472, 10745267208, 21490534416]

約数ペア:

[(1, 21490534416), (2, 10745267208), (3, 7163511472), (4, 5372633604), (6, 3581755736), (8, 2686316802), (12, 1790877868), (13, 1653118032), (16, 1343158401), (24, 895438934), (26, 826559016), (39, 551039344), (41, 524159376), (48, 447719467), (52, 413279508), (78, 275519672), (82, 262079688), (104, 206639754), (123, 174719792), (156, 137759836), (164, 131039844), (208, 103319877), (246, 87359896), (312, 68879918), (328, 65519922), (492, 43679948), (533, 40319952), (624, 34439959), (656, 32759961), (984, 21839974), (1066, 20159976), (1599, 13439984), (1968, 10919987), (2132, 10079988), (3198, 6719992), (4264, 5039994), (6396, 3359996), (8528, 2519997), (12792, 1679998), (25584, 839999)]