21298788

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9391}}^1$

素因数の和:9414

約数の個数: 60

約数和(自身を含む): 63640192

約数和(自身を除く): 42341404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9391, 18782, 28173, 37564, 56346, 65737, 84519, 112692, 131474, 169038, 197211, 253557, 262948, 338076, 394422, 507114, 591633, 760671, 788844, 1014228, 1183266, 1521342, 1774899, 2366532, 3042684, 3549798, 5324697, 7099596, 10649394, 21298788]

約数ペア:

[(1, 21298788), (2, 10649394), (3, 7099596), (4, 5324697), (6, 3549798), (7, 3042684), (9, 2366532), (12, 1774899), (14, 1521342), (18, 1183266), (21, 1014228), (27, 788844), (28, 760671), (36, 591633), (42, 507114), (54, 394422), (63, 338076), (81, 262948), (84, 253557), (108, 197211), (126, 169038), (162, 131474), (189, 112692), (252, 84519), (324, 65737), (378, 56346), (567, 37564), (756, 28173), (1134, 18782), (2268, 9391)]