21186690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 58496256

約数和(自身を除く): 37309566

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 233, 433, 466, 699, 866, 1165, 1299, 1398, 1631, 2165, 2330, 2598, 3031, 3262, 3495, 4330, 4893, 6062, 6495, 6990, 8155, 9093, 9786, 12990, 15155, 16310, 18186, 24465, 30310, 45465, 48930, 90930, 100889, 201778, 302667, 504445, 605334, 706223, 1008890, 1412446, 1513335, 2118669, 3026670, 3531115, 4237338, 7062230, 10593345, 21186690]

約数ペア:

[(1, 21186690), (2, 10593345), (3, 7062230), (5, 4237338), (6, 3531115), (7, 3026670), (10, 2118669), (14, 1513335), (15, 1412446), (21, 1008890), (30, 706223), (35, 605334), (42, 504445), (70, 302667), (105, 201778), (210, 100889), (233, 90930), (433, 48930), (466, 45465), (699, 30310), (866, 24465), (1165, 18186), (1299, 16310), (1398, 15155), (1631, 12990), (2165, 9786), (2330, 9093), (2598, 8155), (3031, 6990), (3262, 6495), (3495, 6062), (4330, 4893)]