21666918

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5669}}^1$

素因数の和:5701

約数の個数: 48

約数和(自身を含む): 54295920

約数和(自身を除く): 32629002

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5669, 11338, 17007, 34014, 39683, 73697, 79366, 119049, 147394, 221091, 238098, 277781, 442182, 515879, 555562, 833343, 1031758, 1547637, 1666686, 3095274, 3611153, 7222306, 10833459, 21666918]

約数ペア:

[(1, 21666918), (2, 10833459), (3, 7222306), (6, 3611153), (7, 3095274), (13, 1666686), (14, 1547637), (21, 1031758), (26, 833343), (39, 555562), (42, 515879), (49, 442182), (78, 277781), (91, 238098), (98, 221091), (147, 147394), (182, 119049), (273, 79366), (294, 73697), (546, 39683), (637, 34014), (1274, 17007), (1911, 11338), (3822, 5669)]