21588632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 45934560

約数和(自身を除く): 24345928

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 61, 82, 83, 104, 122, 164, 166, 244, 328, 332, 488, 533, 664, 793, 1066, 1079, 1586, 2132, 2158, 2501, 3172, 3403, 4264, 4316, 5002, 5063, 6344, 6806, 8632, 10004, 10126, 13612, 20008, 20252, 27224, 32513, 40504, 44239, 65026, 65819, 88478, 130052, 131638, 176956, 207583, 260104, 263276, 353912, 415166, 526552, 830332, 1660664, 2698579, 5397158, 10794316, 21588632]

約数ペア:

[(1, 21588632), (2, 10794316), (4, 5397158), (8, 2698579), (13, 1660664), (26, 830332), (41, 526552), (52, 415166), (61, 353912), (82, 263276), (83, 260104), (104, 207583), (122, 176956), (164, 131638), (166, 130052), (244, 88478), (328, 65819), (332, 65026), (488, 44239), (533, 40504), (664, 32513), (793, 27224), (1066, 20252), (1079, 20008), (1586, 13612), (2132, 10126), (2158, 10004), (2501, 8632), (3172, 6806), (3403, 6344), (4264, 5063), (4316, 5002)]