21438990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10357}}^1$

素因数の和:10393

約数の個数: 48

約数和(自身を含む): 58170528

約数和(自身を除く): 36731538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10357, 20714, 31071, 51785, 62142, 93213, 103570, 155355, 186426, 238211, 310710, 466065, 476422, 714633, 932130, 1191055, 1429266, 2143899, 2382110, 3573165, 4287798, 7146330, 10719495, 21438990]

約数ペア:

[(1, 21438990), (2, 10719495), (3, 7146330), (5, 4287798), (6, 3573165), (9, 2382110), (10, 2143899), (15, 1429266), (18, 1191055), (23, 932130), (30, 714633), (45, 476422), (46, 466065), (69, 310710), (90, 238211), (115, 186426), (138, 155355), (207, 103570), (230, 93213), (345, 62142), (414, 51785), (690, 31071), (1035, 20714), (2070, 10357)]