21415212

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2212

約数の個数: 96

約数和(自身を含む): 68364800

約数和(自身を除く): 46949588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2179, 2457, 3276, 4358, 4914, 6537, 8716, 9828, 13074, 15253, 19611, 26148, 28327, 30506, 39222, 45759, 56654, 58833, 61012, 78444, 84981, 91518, 113308, 117666, 137277, 169962, 183036, 198289, 235332, 254943, 274554, 339924, 396578, 411831, 509886, 549108, 594867, 764829, 793156, 823662, 1019772, 1189734, 1529658, 1647324, 1784601, 2379468, 3059316, 3569202, 5353803, 7138404, 10707606, 21415212]

約数ペア:

[(1, 21415212), (2, 10707606), (3, 7138404), (4, 5353803), (6, 3569202), (7, 3059316), (9, 2379468), (12, 1784601), (13, 1647324), (14, 1529658), (18, 1189734), (21, 1019772), (26, 823662), (27, 793156), (28, 764829), (36, 594867), (39, 549108), (42, 509886), (52, 411831), (54, 396578), (63, 339924), (78, 274554), (84, 254943), (91, 235332), (108, 198289), (117, 183036), (126, 169962), (156, 137277), (182, 117666), (189, 113308), (234, 91518), (252, 84981), (273, 78444), (351, 61012), (364, 58833), (378, 56654), (468, 45759), (546, 39222), (702, 30506), (756, 28327), (819, 26148), (1092, 19611), (1404, 15253), (1638, 13074), (2179, 9828), (2457, 8716), (3276, 6537), (4358, 4914)]