21104692

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 45964800

約数和(自身を除く): 24860108

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 49, 58, 79, 94, 98, 116, 158, 188, 196, 203, 316, 329, 406, 553, 658, 812, 1106, 1316, 1363, 1421, 2212, 2291, 2303, 2726, 2842, 3713, 3871, 4582, 4606, 5452, 5684, 7426, 7742, 9164, 9212, 9541, 14852, 15484, 16037, 19082, 25991, 32074, 38164, 51982, 64148, 66787, 103964, 107677, 112259, 133574, 181937, 215354, 224518, 267148, 363874, 430708, 449036, 727748, 753739, 1507478, 3014956, 5276173, 10552346, 21104692]

約数ペア:

[(1, 21104692), (2, 10552346), (4, 5276173), (7, 3014956), (14, 1507478), (28, 753739), (29, 727748), (47, 449036), (49, 430708), (58, 363874), (79, 267148), (94, 224518), (98, 215354), (116, 181937), (158, 133574), (188, 112259), (196, 107677), (203, 103964), (316, 66787), (329, 64148), (406, 51982), (553, 38164), (658, 32074), (812, 25991), (1106, 19082), (1316, 16037), (1363, 15484), (1421, 14852), (2212, 9541), (2291, 9212), (2303, 9164), (2726, 7742), (2842, 7426), (3713, 5684), (3871, 5452), (4582, 4606)]