21210630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 60673536

約数和(自身を除く): 39462906

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 49, 70, 94, 98, 105, 141, 147, 210, 235, 245, 282, 294, 307, 329, 470, 490, 614, 658, 705, 735, 921, 987, 1410, 1470, 1535, 1645, 1842, 1974, 2149, 2303, 3070, 3290, 4298, 4605, 4606, 4935, 6447, 6909, 9210, 9870, 10745, 11515, 12894, 13818, 14429, 15043, 21490, 23030, 28858, 30086, 32235, 34545, 43287, 45129, 64470, 69090, 72145, 75215, 86574, 90258, 101003, 144290, 150430, 202006, 216435, 225645, 303009, 432870, 451290, 505015, 606018, 707021, 1010030, 1414042, 1515045, 2121063, 3030090, 3535105, 4242126, 7070210, 10605315, 21210630]

約数ペア:

[(1, 21210630), (2, 10605315), (3, 7070210), (5, 4242126), (6, 3535105), (7, 3030090), (10, 2121063), (14, 1515045), (15, 1414042), (21, 1010030), (30, 707021), (35, 606018), (42, 505015), (47, 451290), (49, 432870), (70, 303009), (94, 225645), (98, 216435), (105, 202006), (141, 150430), (147, 144290), (210, 101003), (235, 90258), (245, 86574), (282, 75215), (294, 72145), (307, 69090), (329, 64470), (470, 45129), (490, 43287), (614, 34545), (658, 32235), (705, 30086), (735, 28858), (921, 23030), (987, 21490), (1410, 15043), (1470, 14429), (1535, 13818), (1645, 12894), (1842, 11515), (1974, 10745), (2149, 9870), (2303, 9210), (3070, 6909), (3290, 6447), (4298, 4935), (4605, 4606)]