21134173616

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{809}}^1\times {\mathrm{1699}}^1$

素因数の和:2578

約数の個数: 60

約数和(自身を含む): 42388191000

約数和(自身を除く): 21254017384

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 809, 961, 1618, 1699, 1922, 3236, 3398, 3844, 6472, 6796, 7688, 12944, 13592, 15376, 25079, 27184, 50158, 52669, 100316, 105338, 200632, 210676, 401264, 421352, 777449, 842704, 1374491, 1554898, 1632739, 2748982, 3109796, 3265478, 5497964, 6219592, 6530956, 10995928, 12439184, 13061912, 21991856, 26123824, 42609221, 85218442, 170436884, 340873768, 681747536, 1320885851, 2641771702, 5283543404, 10567086808, 21134173616]

約数ペア:

[(1, 21134173616), (2, 10567086808), (4, 5283543404), (8, 2641771702), (16, 1320885851), (31, 681747536), (62, 340873768), (124, 170436884), (248, 85218442), (496, 42609221), (809, 26123824), (961, 21991856), (1618, 13061912), (1699, 12439184), (1922, 10995928), (3236, 6530956), (3398, 6219592), (3844, 5497964), (6472, 3265478), (6796, 3109796), (7688, 2748982), (12944, 1632739), (13592, 1554898), (15376, 1374491), (25079, 842704), (27184, 777449), (50158, 421352), (52669, 401264), (100316, 210676), (105338, 200632)]