21863904

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{13397}}^1$

素因数の和:13427

約数の個数: 48

約数和(自身を含む): 60773328

約数和(自身を除く): 38909424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 13397, 26794, 40191, 53588, 80382, 107176, 160764, 214352, 227749, 321528, 428704, 455498, 643056, 683247, 910996, 1286112, 1366494, 1821992, 2732988, 3643984, 5465976, 7287968, 10931952, 21863904]

約数ペア:

[(1, 21863904), (2, 10931952), (3, 7287968), (4, 5465976), (6, 3643984), (8, 2732988), (12, 1821992), (16, 1366494), (17, 1286112), (24, 910996), (32, 683247), (34, 643056), (48, 455498), (51, 428704), (68, 321528), (96, 227749), (102, 214352), (136, 160764), (204, 107176), (272, 80382), (408, 53588), (544, 40191), (816, 26794), (1632, 13397)]