21146393920

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{6311}}^1$

素因数の和:6648

約数の個数: 112

約数和(自身を含む): 51906757248

約数和(自身を除く): 30760363328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 283, 296, 320, 370, 566, 592, 740, 1132, 1184, 1415, 1480, 2264, 2368, 2830, 2960, 4528, 5660, 5920, 6311, 9056, 10471, 11320, 11840, 12622, 18112, 20942, 22640, 25244, 31555, 41884, 45280, 50488, 52355, 63110, 83768, 90560, 100976, 104710, 126220, 167536, 201952, 209420, 233507, 252440, 335072, 403904, 418840, 467014, 504880, 670144, 837680, 934028, 1009760, 1167535, 1675360, 1786013, 1868056, 2019520, 2335070, 3350720, 3572026, 3736112, 4670140, 7144052, 7472224, 8930065, 9340280, 14288104, 14944448, 17860130, 18680560, 28576208, 35720260, 37361120, 57152416, 66082481, 71440520, 74722240, 114304832, 132164962, 142881040, 264329924, 285762080, 330412405, 528659848, 571524160, 660824810, 1057319696, 1321649620, 2114639392, 2643299240, 4229278784, 5286598480, 10573196960, 21146393920]

約数ペア:

[(1, 21146393920), (2, 10573196960), (4, 5286598480), (5, 4229278784), (8, 2643299240), (10, 2114639392), (16, 1321649620), (20, 1057319696), (32, 660824810), (37, 571524160), (40, 528659848), (64, 330412405), (74, 285762080), (80, 264329924), (148, 142881040), (160, 132164962), (185, 114304832), (283, 74722240), (296, 71440520), (320, 66082481), (370, 57152416), (566, 37361120), (592, 35720260), (740, 28576208), (1132, 18680560), (1184, 17860130), (1415, 14944448), (1480, 14288104), (2264, 9340280), (2368, 8930065), (2830, 7472224), (2960, 7144052), (4528, 4670140), (5660, 3736112), (5920, 3572026), (6311, 3350720), (9056, 2335070), (10471, 2019520), (11320, 1868056), (11840, 1786013), (12622, 1675360), (18112, 1167535), (20942, 1009760), (22640, 934028), (25244, 837680), (31555, 670144), (41884, 504880), (45280, 467014), (50488, 418840), (52355, 403904), (63110, 335072), (83768, 252440), (90560, 233507), (100976, 209420), (104710, 201952), (126220, 167536)]