21264348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14891}}^1$

素因数の和:14922

約数の個数: 48

約数和(自身を含む): 60044544

約数和(自身を除く): 38780196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14891, 29782, 44673, 59564, 89346, 104237, 178692, 208474, 253147, 312711, 416948, 506294, 625422, 759441, 1012588, 1250844, 1518882, 1772029, 3037764, 3544058, 5316087, 7088116, 10632174, 21264348]

約数ペア:

[(1, 21264348), (2, 10632174), (3, 7088116), (4, 5316087), (6, 3544058), (7, 3037764), (12, 1772029), (14, 1518882), (17, 1250844), (21, 1012588), (28, 759441), (34, 625422), (42, 506294), (51, 416948), (68, 312711), (84, 253147), (102, 208474), (119, 178692), (204, 104237), (238, 89346), (357, 59564), (476, 44673), (714, 29782), (1428, 14891)]