21291363912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109537}}^1$

素因数の和:109655

約数の個数: 128

約数和(自身を含む): 66248582400

約数和(自身を除く): 44957218488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 89, 91, 104, 156, 168, 178, 182, 267, 273, 312, 356, 364, 534, 546, 623, 712, 728, 1068, 1092, 1157, 1246, 1869, 2136, 2184, 2314, 2492, 3471, 3738, 4628, 4984, 6942, 7476, 8099, 9256, 13884, 14952, 16198, 24297, 27768, 32396, 48594, 64792, 97188, 109537, 194376, 219074, 328611, 438148, 657222, 766759, 876296, 1314444, 1423981, 1533518, 2300277, 2628888, 2847962, 3067036, 4271943, 4600554, 5695924, 6134072, 8543886, 9201108, 9748793, 9967867, 11391848, 17087772, 18402216, 19497586, 19935734, 29246379, 29903601, 34175544, 38995172, 39871468, 58492758, 59807202, 68241551, 77990344, 79742936, 116985516, 119614404, 126734309, 136483102, 204724653, 233971032, 239228808, 253468618, 272966204, 380202927, 409449306, 506937236, 545932408, 760405854, 818898612, 887140163, 1013874472, 1520811708, 1637797224, 1774280326, 2661420489, 3041623416, 3548560652, 5322840978, 7097121304, 10645681956, 21291363912]

約数ペア:

[(1, 21291363912), (2, 10645681956), (3, 7097121304), (4, 5322840978), (6, 3548560652), (7, 3041623416), (8, 2661420489), (12, 1774280326), (13, 1637797224), (14, 1520811708), (21, 1013874472), (24, 887140163), (26, 818898612), (28, 760405854), (39, 545932408), (42, 506937236), (52, 409449306), (56, 380202927), (78, 272966204), (84, 253468618), (89, 239228808), (91, 233971032), (104, 204724653), (156, 136483102), (168, 126734309), (178, 119614404), (182, 116985516), (267, 79742936), (273, 77990344), (312, 68241551), (356, 59807202), (364, 58492758), (534, 39871468), (546, 38995172), (623, 34175544), (712, 29903601), (728, 29246379), (1068, 19935734), (1092, 19497586), (1157, 18402216), (1246, 17087772), (1869, 11391848), (2136, 9967867), (2184, 9748793), (2314, 9201108), (2492, 8543886), (3471, 6134072), (3738, 5695924), (4628, 4600554), (4984, 4271943), (6942, 3067036), (7476, 2847962), (8099, 2628888), (9256, 2300277), (13884, 1533518), (14952, 1423981), (16198, 1314444), (24297, 876296), (27768, 766759), (32396, 657222), (48594, 438148), (64792, 328611), (97188, 219074), (109537, 194376)]