21083616

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3853}}^1$

素因数の和:3888

約数の個数: 72

約数和(自身を含む): 63128520

約数和(自身を除く): 42044904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3853, 5472, 7706, 11559, 15412, 23118, 30824, 34677, 46236, 61648, 69354, 73207, 92472, 123296, 138708, 146414, 184944, 219621, 277416, 292828, 369888, 439242, 554832, 585656, 658863, 878484, 1109664, 1171312, 1317726, 1756968, 2342624, 2635452, 3513936, 5270904, 7027872, 10541808, 21083616]

約数ペア:

[(1, 21083616), (2, 10541808), (3, 7027872), (4, 5270904), (6, 3513936), (8, 2635452), (9, 2342624), (12, 1756968), (16, 1317726), (18, 1171312), (19, 1109664), (24, 878484), (32, 658863), (36, 585656), (38, 554832), (48, 439242), (57, 369888), (72, 292828), (76, 277416), (96, 219621), (114, 184944), (144, 146414), (152, 138708), (171, 123296), (228, 92472), (288, 73207), (304, 69354), (342, 61648), (456, 46236), (608, 34677), (684, 30824), (912, 23118), (1368, 15412), (1824, 11559), (2736, 7706), (3853, 5472)]