21215376

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1653

約数の個数: 120

約数和(自身を含む): 73120320

約数和(自身を除く): 51904944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1619, 1638, 1872, 2184, 3238, 3276, 4368, 4857, 6476, 6552, 9714, 11333, 12952, 13104, 14571, 19428, 21047, 22666, 25904, 29142, 33999, 38856, 42094, 45332, 58284, 63141, 67998, 77712, 84188, 90664, 101997, 116568, 126282, 135996, 147329, 168376, 181328, 189423, 203994, 233136, 252564, 271992, 294658, 336752, 378846, 407988, 441987, 505128, 543984, 589316, 757692, 815976, 883974, 1010256, 1178632, 1325961, 1515384, 1631952, 1767948, 2357264, 2651922, 3030768, 3535896, 5303844, 7071792, 10607688, 21215376]

約数ペア:

[(1, 21215376), (2, 10607688), (3, 7071792), (4, 5303844), (6, 3535896), (7, 3030768), (8, 2651922), (9, 2357264), (12, 1767948), (13, 1631952), (14, 1515384), (16, 1325961), (18, 1178632), (21, 1010256), (24, 883974), (26, 815976), (28, 757692), (36, 589316), (39, 543984), (42, 505128), (48, 441987), (52, 407988), (56, 378846), (63, 336752), (72, 294658), (78, 271992), (84, 252564), (91, 233136), (104, 203994), (112, 189423), (117, 181328), (126, 168376), (144, 147329), (156, 135996), (168, 126282), (182, 116568), (208, 101997), (234, 90664), (252, 84188), (273, 77712), (312, 67998), (336, 63141), (364, 58284), (468, 45332), (504, 42094), (546, 38856), (624, 33999), (728, 29142), (819, 25904), (936, 22666), (1008, 21047), (1092, 19428), (1456, 14571), (1619, 13104), (1638, 12952), (1872, 11333), (2184, 9714), (3238, 6552), (3276, 6476), (4368, 4857)]