21876540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{1063}}^1$

素因数の和:1096

約数の個数: 96

約数和(自身を含む): 71500800

約数和(自身を除く): 49624260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1063, 1372, 1470, 1715, 2058, 2126, 2940, 3189, 3430, 4116, 4252, 5145, 5315, 6378, 6860, 7441, 10290, 10630, 12756, 14882, 15945, 20580, 21260, 22323, 29764, 31890, 37205, 44646, 52087, 63780, 74410, 89292, 104174, 111615, 148820, 156261, 208348, 223230, 260435, 312522, 364609, 446460, 520870, 625044, 729218, 781305, 1041740, 1093827, 1458436, 1562610, 1823045, 2187654, 3125220, 3646090, 4375308, 5469135, 7292180, 10938270, 21876540]

約数ペア:

[(1, 21876540), (2, 10938270), (3, 7292180), (4, 5469135), (5, 4375308), (6, 3646090), (7, 3125220), (10, 2187654), (12, 1823045), (14, 1562610), (15, 1458436), (20, 1093827), (21, 1041740), (28, 781305), (30, 729218), (35, 625044), (42, 520870), (49, 446460), (60, 364609), (70, 312522), (84, 260435), (98, 223230), (105, 208348), (140, 156261), (147, 148820), (196, 111615), (210, 104174), (245, 89292), (294, 74410), (343, 63780), (420, 52087), (490, 44646), (588, 37205), (686, 31890), (735, 29764), (980, 22323), (1029, 21260), (1063, 20580), (1372, 15945), (1470, 14882), (1715, 12756), (2058, 10630), (2126, 10290), (2940, 7441), (3189, 6860), (3430, 6378), (4116, 5315), (4252, 5145)]