21555660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3019}}^1$

素因数の和:3055

約数の個数: 96

約数和(自身を含む): 73059840

約数和(自身を除く): 51504180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3019, 3570, 6038, 7140, 9057, 12076, 15095, 18114, 21133, 30190, 36228, 42266, 45285, 51323, 60380, 63399, 84532, 90570, 102646, 105665, 126798, 153969, 181140, 205292, 211330, 253596, 256615, 307938, 316995, 359261, 422660, 513230, 615876, 633990, 718522, 769845, 1026460, 1077783, 1267980, 1437044, 1539690, 1796305, 2155566, 3079380, 3592610, 4311132, 5388915, 7185220, 10777830, 21555660]

約数ペア:

[(1, 21555660), (2, 10777830), (3, 7185220), (4, 5388915), (5, 4311132), (6, 3592610), (7, 3079380), (10, 2155566), (12, 1796305), (14, 1539690), (15, 1437044), (17, 1267980), (20, 1077783), (21, 1026460), (28, 769845), (30, 718522), (34, 633990), (35, 615876), (42, 513230), (51, 422660), (60, 359261), (68, 316995), (70, 307938), (84, 256615), (85, 253596), (102, 211330), (105, 205292), (119, 181140), (140, 153969), (170, 126798), (204, 105665), (210, 102646), (238, 90570), (255, 84532), (340, 63399), (357, 60380), (420, 51323), (476, 45285), (510, 42266), (595, 36228), (714, 30190), (1020, 21133), (1190, 18114), (1428, 15095), (1785, 12076), (2380, 9057), (3019, 7140), (3570, 6038)]