21472432

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 26024528

約数列:

[1, 2, 4, 8, 16, 19, 23, 37, 38, 46, 74, 76, 83, 92, 148, 152, 166, 184, 296, 304, 332, 368, 437, 592, 664, 703, 851, 874, 1328, 1406, 1577, 1702, 1748, 1909, 2812, 3071, 3154, 3404, 3496, 3818, 5624, 6142, 6308, 6808, 6992, 7636, 11248, 12284, 12616, 13616, 15272, 16169, 24568, 25232, 30544, 32338, 36271, 49136, 58349, 64676, 70633, 72542, 116698, 129352, 141266, 145084, 233396, 258704, 282532, 290168, 466792, 565064, 580336, 933584, 1130128, 1342027, 2684054, 5368108, 10736216, 21472432]

約数ペア:

[(1, 21472432), (2, 10736216), (4, 5368108), (8, 2684054), (16, 1342027), (19, 1130128), (23, 933584), (37, 580336), (38, 565064), (46, 466792), (74, 290168), (76, 282532), (83, 258704), (92, 233396), (148, 145084), (152, 141266), (166, 129352), (184, 116698), (296, 72542), (304, 70633), (332, 64676), (368, 58349), (437, 49136), (592, 36271), (664, 32338), (703, 30544), (851, 25232), (874, 24568), (1328, 16169), (1406, 15272), (1577, 13616), (1702, 12616), (1748, 12284), (1909, 11248), (2812, 7636), (3071, 6992), (3154, 6808), (3404, 6308), (3496, 6142), (3818, 5624)]