21172518128

素因数分解:

$2^4\times {\mathrm{29}}^2\times {\mathrm{1061}}^1\times {\mathrm{1483}}^1$

素因数の和:2610

約数の個数: 60

約数和(自身を含む): 42553792008

約数和(自身を除く): 21381273880

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 841, 1061, 1483, 1682, 2122, 2966, 3364, 4244, 5932, 6728, 8488, 11864, 13456, 16976, 23728, 30769, 43007, 61538, 86014, 123076, 172028, 246152, 344056, 492304, 688112, 892301, 1247203, 1573463, 1784602, 2494406, 3146926, 3569204, 4988812, 6293852, 7138408, 9977624, 12587704, 14276816, 19955248, 25175408, 45630427, 91260854, 182521708, 365043416, 730086832, 1323282383, 2646564766, 5293129532, 10586259064, 21172518128]

約数ペア:

[(1, 21172518128), (2, 10586259064), (4, 5293129532), (8, 2646564766), (16, 1323282383), (29, 730086832), (58, 365043416), (116, 182521708), (232, 91260854), (464, 45630427), (841, 25175408), (1061, 19955248), (1483, 14276816), (1682, 12587704), (2122, 9977624), (2966, 7138408), (3364, 6293852), (4244, 4988812), (5932, 3569204), (6728, 3146926), (8488, 2494406), (11864, 1784602), (13456, 1573463), (16976, 1247203), (23728, 892301), (30769, 688112), (43007, 492304), (61538, 344056), (86014, 246152), (123076, 172028)]