2021145980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{849221}}^1$

素因数の和:849254

約数の個数: 48

約数和(自身を含む): 5136094656

約数和(自身を除く): 3114948676

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 849221, 1698442, 3396884, 4246105, 5944547, 8492210, 11889094, 14436757, 16984420, 23778188, 28873514, 29722735, 57747028, 59445470, 72183785, 101057299, 118890940, 144367570, 202114598, 288735140, 404229196, 505286495, 1010572990, 2021145980]

約数ペア:

[(1, 2021145980), (2, 1010572990), (4, 505286495), (5, 404229196), (7, 288735140), (10, 202114598), (14, 144367570), (17, 118890940), (20, 101057299), (28, 72183785), (34, 59445470), (35, 57747028), (68, 29722735), (70, 28873514), (85, 23778188), (119, 16984420), (140, 14436757), (170, 11889094), (238, 8492210), (340, 5944547), (476, 4246105), (595, 3396884), (1190, 1698442), (2380, 849221)]