21502782

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3631}}^1$

素因数の和:3693

約数の個数: 48

約数和(自身を含む): 54392832

約数和(自身を除く): 32890050

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3631, 5922, 7262, 10893, 21786, 25417, 32679, 50834, 65358, 76251, 152502, 170657, 228753, 341314, 457506, 511971, 1023942, 1194599, 1535913, 2389198, 3071826, 3583797, 7167594, 10751391, 21502782]

約数ペア:

[(1, 21502782), (2, 10751391), (3, 7167594), (6, 3583797), (7, 3071826), (9, 2389198), (14, 1535913), (18, 1194599), (21, 1023942), (42, 511971), (47, 457506), (63, 341314), (94, 228753), (126, 170657), (141, 152502), (282, 76251), (329, 65358), (423, 50834), (658, 32679), (846, 25417), (987, 21786), (1974, 10893), (2961, 7262), (3631, 5922)]