21702564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 59928960

約数和(自身を除く): 38226396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 587, 711, 948, 1027, 1174, 1422, 1761, 2054, 2348, 2844, 3081, 3522, 4108, 5283, 6162, 7044, 7631, 9243, 10566, 12324, 15262, 18486, 21132, 22893, 30524, 36972, 45786, 46373, 68679, 91572, 92746, 137358, 139119, 185492, 274716, 278238, 417357, 556476, 602849, 834714, 1205698, 1669428, 1808547, 2411396, 3617094, 5425641, 7234188, 10851282, 21702564]

約数ペア:

[(1, 21702564), (2, 10851282), (3, 7234188), (4, 5425641), (6, 3617094), (9, 2411396), (12, 1808547), (13, 1669428), (18, 1205698), (26, 834714), (36, 602849), (39, 556476), (52, 417357), (78, 278238), (79, 274716), (117, 185492), (156, 139119), (158, 137358), (234, 92746), (237, 91572), (316, 68679), (468, 46373), (474, 45786), (587, 36972), (711, 30524), (948, 22893), (1027, 21132), (1174, 18486), (1422, 15262), (1761, 12324), (2054, 10566), (2348, 9243), (2844, 7631), (3081, 7044), (3522, 6162), (4108, 5283)]