21671208

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^3\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 64045800

約数和(自身を除く): 42374592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 137, 156, 169, 234, 274, 312, 338, 411, 468, 507, 548, 676, 822, 936, 1014, 1096, 1233, 1352, 1521, 1644, 1781, 2028, 2197, 2466, 3042, 3288, 3562, 4056, 4394, 4932, 5343, 6084, 6591, 7124, 8788, 9864, 10686, 12168, 13182, 14248, 16029, 17576, 19773, 21372, 23153, 26364, 32058, 39546, 42744, 46306, 52728, 64116, 69459, 79092, 92612, 128232, 138918, 158184, 185224, 208377, 277836, 300989, 416754, 555672, 601978, 833508, 902967, 1203956, 1667016, 1805934, 2407912, 2708901, 3611868, 5417802, 7223736, 10835604, 21671208]

約数ペア:

[(1, 21671208), (2, 10835604), (3, 7223736), (4, 5417802), (6, 3611868), (8, 2708901), (9, 2407912), (12, 1805934), (13, 1667016), (18, 1203956), (24, 902967), (26, 833508), (36, 601978), (39, 555672), (52, 416754), (72, 300989), (78, 277836), (104, 208377), (117, 185224), (137, 158184), (156, 138918), (169, 128232), (234, 92612), (274, 79092), (312, 69459), (338, 64116), (411, 52728), (468, 46306), (507, 42744), (548, 39546), (676, 32058), (822, 26364), (936, 23153), (1014, 21372), (1096, 19773), (1233, 17576), (1352, 16029), (1521, 14248), (1644, 13182), (1781, 12168), (2028, 10686), (2197, 9864), (2466, 8788), (3042, 7124), (3288, 6591), (3562, 6084), (4056, 5343), (4394, 4932)]