2021003320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{3821}}^1$

素因数の和:5728

約数の個数: 64

約数和(自身を含む): 5200977600

約数和(自身を除く): 3179974280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1889, 3778, 3821, 7556, 7642, 9445, 13223, 15112, 15284, 18890, 19105, 26446, 26747, 30568, 37780, 38210, 52892, 53494, 66115, 75560, 76420, 105784, 106988, 132230, 133735, 152840, 213976, 264460, 267470, 528920, 534940, 1069880, 7217869, 14435738, 28871476, 36089345, 50525083, 57742952, 72178690, 101050166, 144357380, 202100332, 252625415, 288714760, 404200664, 505250830, 1010501660, 2021003320]

約数ペア:

[(1, 2021003320), (2, 1010501660), (4, 505250830), (5, 404200664), (7, 288714760), (8, 252625415), (10, 202100332), (14, 144357380), (20, 101050166), (28, 72178690), (35, 57742952), (40, 50525083), (56, 36089345), (70, 28871476), (140, 14435738), (280, 7217869), (1889, 1069880), (3778, 534940), (3821, 528920), (7556, 267470), (7642, 264460), (9445, 213976), (13223, 152840), (15112, 133735), (15284, 132230), (18890, 106988), (19105, 105784), (26446, 76420), (26747, 75560), (30568, 66115), (37780, 53494), (38210, 52892)]