21296016

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 70076864

約数和(自身を除く): 48780848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 72, 74, 84, 111, 112, 126, 144, 148, 168, 222, 252, 259, 296, 333, 336, 444, 504, 518, 571, 592, 666, 777, 888, 1008, 1036, 1142, 1332, 1554, 1713, 1776, 2072, 2284, 2331, 2664, 3108, 3426, 3997, 4144, 4568, 4662, 5139, 5328, 6216, 6852, 7994, 9136, 9324, 10278, 11991, 12432, 13704, 15988, 18648, 20556, 21127, 23982, 27408, 31976, 35973, 37296, 41112, 42254, 47964, 63381, 63952, 71946, 82224, 84508, 95928, 126762, 143892, 147889, 169016, 190143, 191856, 253524, 287784, 295778, 338032, 380286, 443667, 507048, 575568, 591556, 760572, 887334, 1014096, 1183112, 1331001, 1521144, 1774668, 2366224, 2662002, 3042288, 3549336, 5324004, 7098672, 10648008, 21296016]

約数ペア:

[(1, 21296016), (2, 10648008), (3, 7098672), (4, 5324004), (6, 3549336), (7, 3042288), (8, 2662002), (9, 2366224), (12, 1774668), (14, 1521144), (16, 1331001), (18, 1183112), (21, 1014096), (24, 887334), (28, 760572), (36, 591556), (37, 575568), (42, 507048), (48, 443667), (56, 380286), (63, 338032), (72, 295778), (74, 287784), (84, 253524), (111, 191856), (112, 190143), (126, 169016), (144, 147889), (148, 143892), (168, 126762), (222, 95928), (252, 84508), (259, 82224), (296, 71946), (333, 63952), (336, 63381), (444, 47964), (504, 42254), (518, 41112), (571, 37296), (592, 35973), (666, 31976), (777, 27408), (888, 23982), (1008, 21127), (1036, 20556), (1142, 18648), (1332, 15988), (1554, 13704), (1713, 12432), (1776, 11991), (2072, 10278), (2284, 9324), (2331, 9136), (2664, 7994), (3108, 6852), (3426, 6216), (3997, 5328), (4144, 5139), (4568, 4662)]