21015264

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 38497056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 79, 96, 102, 136, 158, 163, 204, 237, 272, 316, 326, 408, 474, 489, 544, 632, 652, 816, 948, 978, 1264, 1304, 1343, 1632, 1896, 1956, 2528, 2608, 2686, 2771, 3792, 3912, 4029, 5216, 5372, 5542, 7584, 7824, 8058, 8313, 10744, 11084, 12877, 15648, 16116, 16626, 21488, 22168, 25754, 32232, 33252, 38631, 42976, 44336, 51508, 64464, 66504, 77262, 88672, 103016, 128928, 133008, 154524, 206032, 218909, 266016, 309048, 412064, 437818, 618096, 656727, 875636, 1236192, 1313454, 1751272, 2626908, 3502544, 5253816, 7005088, 10507632, 21015264]

約数ペア:

[(1, 21015264), (2, 10507632), (3, 7005088), (4, 5253816), (6, 3502544), (8, 2626908), (12, 1751272), (16, 1313454), (17, 1236192), (24, 875636), (32, 656727), (34, 618096), (48, 437818), (51, 412064), (68, 309048), (79, 266016), (96, 218909), (102, 206032), (136, 154524), (158, 133008), (163, 128928), (204, 103016), (237, 88672), (272, 77262), (316, 66504), (326, 64464), (408, 51508), (474, 44336), (489, 42976), (544, 38631), (632, 33252), (652, 32232), (816, 25754), (948, 22168), (978, 21488), (1264, 16626), (1304, 16116), (1343, 15648), (1632, 12877), (1896, 11084), (1956, 10744), (2528, 8313), (2608, 8058), (2686, 7824), (2771, 7584), (3792, 5542), (3912, 5372), (4029, 5216)]