21093324

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 59275440

約数和(自身を除く): 38182116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 174, 196, 203, 294, 348, 406, 588, 609, 812, 1218, 1237, 1421, 2436, 2474, 2842, 3711, 4263, 4948, 5684, 7422, 8526, 8659, 14844, 17052, 17318, 25977, 34636, 35873, 51954, 60613, 71746, 103908, 107619, 121226, 143492, 181839, 215238, 242452, 251111, 363678, 430476, 502222, 727356, 753333, 1004444, 1506666, 1757777, 3013332, 3515554, 5273331, 7031108, 10546662, 21093324]

約数ペア:

[(1, 21093324), (2, 10546662), (3, 7031108), (4, 5273331), (6, 3515554), (7, 3013332), (12, 1757777), (14, 1506666), (21, 1004444), (28, 753333), (29, 727356), (42, 502222), (49, 430476), (58, 363678), (84, 251111), (87, 242452), (98, 215238), (116, 181839), (147, 143492), (174, 121226), (196, 107619), (203, 103908), (294, 71746), (348, 60613), (406, 51954), (588, 35873), (609, 34636), (812, 25977), (1218, 17318), (1237, 17052), (1421, 14844), (2436, 8659), (2474, 8526), (2842, 7422), (3711, 5684), (4263, 4948)]