21291778116

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{1319}}^1\times {\mathrm{9151}}^1$

素因数の和:10494

約数の個数: 108

約数和(自身を含む): 62662279680

約数和(自身を除く): 41370501564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1319, 1764, 2638, 3957, 5276, 7914, 9151, 9233, 11871, 15828, 18302, 18466, 23742, 27453, 27699, 36604, 36932, 47484, 54906, 55398, 64057, 64631, 82359, 83097, 109812, 110796, 128114, 129262, 164718, 166194, 192171, 193893, 256228, 258524, 329436, 332388, 384342, 387786, 448399, 576513, 581679, 768684, 775572, 896798, 1153026, 1163358, 1345197, 1793596, 2306052, 2326716, 2690394, 4035591, 5380788, 8071182, 12070169, 16142364, 24140338, 36210507, 48280676, 72421014, 84491183, 108631521, 144842028, 168982366, 217263042, 253473549, 337964732, 434526084, 506947098, 591438281, 760420647, 1013894196, 1182876562, 1520841294, 1774314843, 2365753124, 3041682588, 3548629686, 5322944529, 7097259372, 10645889058, 21291778116]

約数ペア:

[(1, 21291778116), (2, 10645889058), (3, 7097259372), (4, 5322944529), (6, 3548629686), (7, 3041682588), (9, 2365753124), (12, 1774314843), (14, 1520841294), (18, 1182876562), (21, 1013894196), (28, 760420647), (36, 591438281), (42, 506947098), (49, 434526084), (63, 337964732), (84, 253473549), (98, 217263042), (126, 168982366), (147, 144842028), (196, 108631521), (252, 84491183), (294, 72421014), (441, 48280676), (588, 36210507), (882, 24140338), (1319, 16142364), (1764, 12070169), (2638, 8071182), (3957, 5380788), (5276, 4035591), (7914, 2690394), (9151, 2326716), (9233, 2306052), (11871, 1793596), (15828, 1345197), (18302, 1163358), (18466, 1153026), (23742, 896798), (27453, 775572), (27699, 768684), (36604, 581679), (36932, 576513), (47484, 448399), (54906, 387786), (55398, 384342), (64057, 332388), (64631, 329436), (82359, 258524), (83097, 256228), (109812, 193893), (110796, 192171), (128114, 166194), (129262, 164718)]