21316944

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 40107696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 47, 48, 66, 88, 94, 132, 141, 176, 188, 264, 282, 376, 517, 528, 564, 752, 859, 1034, 1128, 1551, 1718, 2068, 2256, 2577, 3102, 3436, 4136, 5154, 6204, 6872, 8272, 9449, 10308, 12408, 13744, 18898, 20616, 24816, 28347, 37796, 40373, 41232, 56694, 75592, 80746, 113388, 121119, 151184, 161492, 226776, 242238, 322984, 444103, 453552, 484476, 645968, 888206, 968952, 1332309, 1776412, 1937904, 2664618, 3552824, 5329236, 7105648, 10658472, 21316944]

約数ペア:

[(1, 21316944), (2, 10658472), (3, 7105648), (4, 5329236), (6, 3552824), (8, 2664618), (11, 1937904), (12, 1776412), (16, 1332309), (22, 968952), (24, 888206), (33, 645968), (44, 484476), (47, 453552), (48, 444103), (66, 322984), (88, 242238), (94, 226776), (132, 161492), (141, 151184), (176, 121119), (188, 113388), (264, 80746), (282, 75592), (376, 56694), (517, 41232), (528, 40373), (564, 37796), (752, 28347), (859, 24816), (1034, 20616), (1128, 18898), (1551, 13744), (1718, 12408), (2068, 10308), (2256, 9449), (2577, 8272), (3102, 6872), (3436, 6204), (4136, 5154)]