21721167384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{3449}}^1$

素因数の和:5457

約数の個数: 128

約数和(自身を含む): 65378880000

約数和(自身を除く): 43657712616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 1973, 3192, 3449, 3946, 5919, 6898, 7892, 10347, 11838, 13796, 13811, 15784, 20694, 23676, 24143, 27592, 27622, 37487, 41388, 41433, 47352, 48286, 55244, 65531, 72429, 74974, 82776, 82866, 96572, 110488, 112461, 131062, 144858, 149948, 165732, 193144, 196593, 224922, 262124, 262409, 289716, 299896, 331464, 393186, 449844, 458717, 524248, 524818, 579432, 786372, 787227, 899688, 917434, 1049636, 1376151, 1572744, 1574454, 1834868, 2099272, 2752302, 3148908, 3669736, 5504604, 6297816, 6804877, 11009208, 13609754, 20414631, 27219508, 40829262, 47634139, 54439016, 81658524, 95268278, 129292663, 142902417, 163317048, 190536556, 258585326, 285804834, 381073112, 387877989, 517170652, 571609668, 775755978, 905048641, 1034341304, 1143219336, 1551511956, 1810097282, 2715145923, 3103023912, 3620194564, 5430291846, 7240389128, 10860583692, 21721167384]

約数ペア:

[(1, 21721167384), (2, 10860583692), (3, 7240389128), (4, 5430291846), (6, 3620194564), (7, 3103023912), (8, 2715145923), (12, 1810097282), (14, 1551511956), (19, 1143219336), (21, 1034341304), (24, 905048641), (28, 775755978), (38, 571609668), (42, 517170652), (56, 387877989), (57, 381073112), (76, 285804834), (84, 258585326), (114, 190536556), (133, 163317048), (152, 142902417), (168, 129292663), (228, 95268278), (266, 81658524), (399, 54439016), (456, 47634139), (532, 40829262), (798, 27219508), (1064, 20414631), (1596, 13609754), (1973, 11009208), (3192, 6804877), (3449, 6297816), (3946, 5504604), (5919, 3669736), (6898, 3148908), (7892, 2752302), (10347, 2099272), (11838, 1834868), (13796, 1574454), (13811, 1572744), (15784, 1376151), (20694, 1049636), (23676, 917434), (24143, 899688), (27592, 787227), (27622, 786372), (37487, 579432), (41388, 524818), (41433, 524248), (47352, 458717), (48286, 449844), (55244, 393186), (65531, 331464), (72429, 299896), (74974, 289716), (82776, 262409), (82866, 262124), (96572, 224922), (110488, 196593), (112461, 193144), (131062, 165732), (144858, 149948)]