21031915044

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{797}}^1\times {\mathrm{44879}}^1$

素因数の和:45697

約数の個数: 72

約数和(自身を含む): 57159527040

約数和(自身を除く): 36127611996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 797, 1594, 2391, 3188, 4782, 5579, 9564, 11158, 16737, 22316, 33474, 39053, 44879, 66948, 78106, 89758, 117159, 134637, 156212, 179516, 234318, 269274, 314153, 468636, 538548, 628306, 942459, 1256612, 1884918, 2199071, 3769836, 4398142, 6597213, 8796284, 13194426, 26388852, 35768563, 71537126, 107305689, 143074252, 214611378, 250379941, 429222756, 500759882, 751139823, 1001519764, 1502279646, 1752659587, 3004559292, 3505319174, 5257978761, 7010638348, 10515957522, 21031915044]

約数ペア:

[(1, 21031915044), (2, 10515957522), (3, 7010638348), (4, 5257978761), (6, 3505319174), (7, 3004559292), (12, 1752659587), (14, 1502279646), (21, 1001519764), (28, 751139823), (42, 500759882), (49, 429222756), (84, 250379941), (98, 214611378), (147, 143074252), (196, 107305689), (294, 71537126), (588, 35768563), (797, 26388852), (1594, 13194426), (2391, 8796284), (3188, 6597213), (4782, 4398142), (5579, 3769836), (9564, 2199071), (11158, 1884918), (16737, 1256612), (22316, 942459), (33474, 628306), (39053, 538548), (44879, 468636), (66948, 314153), (78106, 269274), (89758, 234318), (117159, 179516), (134637, 156212)]