21543860940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1091381}}^1$

素因数の和:1091447

約数の個数: 96

約数和(自身を含む): 70407235584

約数和(自身を除く): 48863374644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6580, 9870, 19740, 1091381, 2182762, 3274143, 4365524, 5456905, 6548286, 7639667, 10913810, 13096572, 15279334, 16370715, 21827620, 22919001, 30558668, 32741430, 38198335, 45838002, 51294907, 65482860, 76396670, 91676004, 102589814, 114595005, 152793340, 153884721, 205179628, 229190010, 256474535, 307769442, 359064349, 458380020, 512949070, 615538884, 718128698, 769423605, 1025898140, 1077193047, 1436257396, 1538847210, 1795321745, 2154386094, 3077694420, 3590643490, 4308772188, 5385965235, 7181286980, 10771930470, 21543860940]

約数ペア:

[(1, 21543860940), (2, 10771930470), (3, 7181286980), (4, 5385965235), (5, 4308772188), (6, 3590643490), (7, 3077694420), (10, 2154386094), (12, 1795321745), (14, 1538847210), (15, 1436257396), (20, 1077193047), (21, 1025898140), (28, 769423605), (30, 718128698), (35, 615538884), (42, 512949070), (47, 458380020), (60, 359064349), (70, 307769442), (84, 256474535), (94, 229190010), (105, 205179628), (140, 153884721), (141, 152793340), (188, 114595005), (210, 102589814), (235, 91676004), (282, 76396670), (329, 65482860), (420, 51294907), (470, 45838002), (564, 38198335), (658, 32741430), (705, 30558668), (940, 22919001), (987, 21827620), (1316, 16370715), (1410, 15279334), (1645, 13096572), (1974, 10913810), (2820, 7639667), (3290, 6548286), (3948, 5456905), (4935, 4365524), (6580, 3274143), (9870, 2182762), (19740, 1091381)]