21901428

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2978

約数の個数: 60

約数和(自身を含む): 59764320

約数和(自身を除く): 37862892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 2939, 3726, 5878, 7452, 8817, 11756, 17634, 26451, 35268, 52902, 67597, 79353, 105804, 135194, 158706, 202791, 238059, 270388, 317412, 405582, 476118, 608373, 811164, 952236, 1216746, 1825119, 2433492, 3650238, 5475357, 7300476, 10950714, 21901428]

約数ペア:

[(1, 21901428), (2, 10950714), (3, 7300476), (4, 5475357), (6, 3650238), (9, 2433492), (12, 1825119), (18, 1216746), (23, 952236), (27, 811164), (36, 608373), (46, 476118), (54, 405582), (69, 317412), (81, 270388), (92, 238059), (108, 202791), (138, 158706), (162, 135194), (207, 105804), (276, 79353), (324, 67597), (414, 52902), (621, 35268), (828, 26451), (1242, 17634), (1863, 11756), (2484, 8817), (2939, 7452), (3726, 5878)]