21986838

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1213}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 51133680

約数和(自身を除く): 29146842

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 53, 57, 106, 114, 159, 171, 318, 342, 477, 954, 1007, 1213, 2014, 2426, 3021, 3639, 6042, 7278, 9063, 10917, 18126, 21834, 23047, 46094, 64289, 69141, 128578, 138282, 192867, 207423, 385734, 414846, 578601, 1157202, 1221491, 2442982, 3664473, 7328946, 10993419, 21986838]

約数ペア:

[(1, 21986838), (2, 10993419), (3, 7328946), (6, 3664473), (9, 2442982), (18, 1221491), (19, 1157202), (38, 578601), (53, 414846), (57, 385734), (106, 207423), (114, 192867), (159, 138282), (171, 128578), (318, 69141), (342, 64289), (477, 46094), (954, 23047), (1007, 21834), (1213, 18126), (2014, 10917), (2426, 9063), (3021, 7278), (3639, 6042)]