21103992

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3253

約数の個数: 96

約数和(自身を含む): 70368480

約数和(自身を除く): 49264488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 728, 819, 936, 1092, 1638, 2184, 3221, 3276, 6442, 6552, 9663, 12884, 19326, 22547, 25768, 28989, 38652, 41873, 45094, 57978, 67641, 77304, 83746, 90188, 115956, 125619, 135282, 167492, 180376, 202923, 231912, 251238, 270564, 293111, 334984, 376857, 405846, 502476, 541128, 586222, 753714, 811692, 879333, 1004952, 1172444, 1507428, 1623384, 1758666, 2344888, 2637999, 3014856, 3517332, 5275998, 7034664, 10551996, 21103992]

約数ペア:

[(1, 21103992), (2, 10551996), (3, 7034664), (4, 5275998), (6, 3517332), (7, 3014856), (8, 2637999), (9, 2344888), (12, 1758666), (13, 1623384), (14, 1507428), (18, 1172444), (21, 1004952), (24, 879333), (26, 811692), (28, 753714), (36, 586222), (39, 541128), (42, 502476), (52, 405846), (56, 376857), (63, 334984), (72, 293111), (78, 270564), (84, 251238), (91, 231912), (104, 202923), (117, 180376), (126, 167492), (156, 135282), (168, 125619), (182, 115956), (234, 90188), (252, 83746), (273, 77304), (312, 67641), (364, 57978), (468, 45094), (504, 41873), (546, 38652), (728, 28989), (819, 25768), (936, 22547), (1092, 19326), (1638, 12884), (2184, 9663), (3221, 6552), (3276, 6442)]