21131990160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8513}}^1\times {\mathrm{10343}}^1$

素因数の和:18872

約数の個数: 80

約数和(自身を含む): 65523199104

約数和(自身を除く): 44391208944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8513, 10343, 17026, 20686, 25539, 31029, 34052, 41372, 42565, 51078, 51715, 62058, 68104, 82744, 85130, 102156, 103430, 124116, 127695, 136208, 155145, 165488, 170260, 204312, 206860, 248232, 255390, 310290, 340520, 408624, 413720, 496464, 510780, 620580, 681040, 827440, 1021560, 1241160, 2043120, 2482320, 88049959, 176099918, 264149877, 352199836, 440249795, 528299754, 704399672, 880499590, 1056599508, 1320749385, 1408799344, 1760999180, 2113199016, 2641498770, 3521998360, 4226398032, 5282997540, 7043996720, 10565995080, 21131990160]

約数ペア:

[(1, 21131990160), (2, 10565995080), (3, 7043996720), (4, 5282997540), (5, 4226398032), (6, 3521998360), (8, 2641498770), (10, 2113199016), (12, 1760999180), (15, 1408799344), (16, 1320749385), (20, 1056599508), (24, 880499590), (30, 704399672), (40, 528299754), (48, 440249795), (60, 352199836), (80, 264149877), (120, 176099918), (240, 88049959), (8513, 2482320), (10343, 2043120), (17026, 1241160), (20686, 1021560), (25539, 827440), (31029, 681040), (34052, 620580), (41372, 510780), (42565, 496464), (51078, 413720), (51715, 408624), (62058, 340520), (68104, 310290), (82744, 255390), (85130, 248232), (102156, 206860), (103430, 204312), (124116, 170260), (127695, 165488), (136208, 155145)]