21047916

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 50996736

約数和(自身を除く): 29948820

約数列:

[1, 2, 3, 4, 6, 12, 47, 67, 94, 134, 141, 188, 201, 268, 282, 402, 557, 564, 804, 1114, 1671, 2228, 3149, 3342, 6298, 6684, 9447, 12596, 18894, 26179, 37319, 37788, 52358, 74638, 78537, 104716, 111957, 149276, 157074, 223914, 314148, 447828, 1753993, 3507986, 5261979, 7015972, 10523958, 21047916]

約数ペア:

[(1, 21047916), (2, 10523958), (3, 7015972), (4, 5261979), (6, 3507986), (12, 1753993), (47, 447828), (67, 314148), (94, 223914), (134, 157074), (141, 149276), (188, 111957), (201, 104716), (268, 78537), (282, 74638), (402, 52358), (557, 37788), (564, 37319), (804, 26179), (1114, 18894), (1671, 12596), (2228, 9447), (3149, 6684), (3342, 6298)]