21103698364

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1553}}^1\times {\mathrm{9157}}^1$

素因数の和:10774

約数の個数: 48

約数和(自身を含む): 43036152768

約数和(自身を除く): 21932454404

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 1553, 3106, 6212, 9157, 10871, 18314, 21742, 36628, 43484, 64099, 82309, 128198, 164618, 256396, 329236, 485321, 576163, 970642, 1152326, 1941284, 2304652, 3397247, 6794494, 13588988, 14220821, 28441642, 56883284, 99545747, 199091494, 398182988, 753703513, 1507407026, 3014814052, 5275924591, 10551849182, 21103698364]

約数ペア:

[(1, 21103698364), (2, 10551849182), (4, 5275924591), (7, 3014814052), (14, 1507407026), (28, 753703513), (53, 398182988), (106, 199091494), (212, 99545747), (371, 56883284), (742, 28441642), (1484, 14220821), (1553, 13588988), (3106, 6794494), (6212, 3397247), (9157, 2304652), (10871, 1941284), (18314, 1152326), (21742, 970642), (36628, 576163), (43484, 485321), (64099, 329236), (82309, 256396), (128198, 164618)]