21989536

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 46418400

約数和(自身を除く): 24428864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 76, 118, 152, 236, 304, 472, 608, 613, 944, 1121, 1226, 1888, 2242, 2452, 4484, 4904, 8968, 9808, 11647, 17936, 19616, 23294, 35872, 36167, 46588, 72334, 93176, 144668, 186352, 289336, 372704, 578672, 687173, 1157344, 1374346, 2748692, 5497384, 10994768, 21989536]

約数ペア:

[(1, 21989536), (2, 10994768), (4, 5497384), (8, 2748692), (16, 1374346), (19, 1157344), (32, 687173), (38, 578672), (59, 372704), (76, 289336), (118, 186352), (152, 144668), (236, 93176), (304, 72334), (472, 46588), (608, 36167), (613, 35872), (944, 23294), (1121, 19616), (1226, 17936), (1888, 11647), (2242, 9808), (2452, 8968), (4484, 4904)]