21058128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1641

約数の個数: 120

約数和(自身を含む): 72578688

約数和(自身を除く): 51520560

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, 1607, 1638, 1872, 2184, 3214, 3276, 4368, 4821, 6428, 6552, 9642, 11249, 12856, 13104, 14463, 19284, 20891, 22498, 25712, 28926, 33747, 38568, 41782, 44996, 57852, 62673, 67494, 77136, 83564, 89992, 101241, 115704, 125346, 134988, 146237, 167128, 179984, 188019, 202482, 231408, 250692, 269976, 292474, 334256, 376038, 404964, 438711, 501384, 539952, 584948, 752076, 809928, 877422, 1002768, 1169896, 1316133, 1504152, 1619856, 1754844, 2339792, 2632266, 3008304, 3509688, 5264532, 7019376, 10529064, 21058128]

約数ペア:

[(1, 21058128), (2, 10529064), (3, 7019376), (4, 5264532), (6, 3509688), (7, 3008304), (8, 2632266), (9, 2339792), (12, 1754844), (13, 1619856), (14, 1504152), (16, 1316133), (18, 1169896), (21, 1002768), (24, 877422), (26, 809928), (28, 752076), (36, 584948), (39, 539952), (42, 501384), (48, 438711), (52, 404964), (56, 376038), (63, 334256), (72, 292474), (78, 269976), (84, 250692), (91, 231408), (104, 202482), (112, 188019), (117, 179984), (126, 167128), (144, 146237), (156, 134988), (168, 125346), (182, 115704), (208, 101241), (234, 89992), (252, 83564), (273, 77136), (312, 67494), (336, 62673), (364, 57852), (468, 44996), (504, 41782), (546, 38568), (624, 33747), (728, 28926), (819, 25712), (936, 22498), (1008, 20891), (1092, 19284), (1456, 14463), (1607, 13104), (1638, 12856), (1872, 11249), (2184, 9642), (3214, 6552), (3276, 6428), (4368, 4821)]