21375030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 32538570

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 79, 87, 145, 158, 174, 237, 290, 311, 395, 435, 474, 622, 790, 870, 933, 1185, 1555, 1866, 2291, 2370, 3110, 4582, 4665, 6873, 9019, 9330, 11455, 13746, 18038, 22910, 24569, 27057, 34365, 45095, 49138, 54114, 68730, 73707, 90190, 122845, 135285, 147414, 245690, 270570, 368535, 712501, 737070, 1425002, 2137503, 3562505, 4275006, 7125010, 10687515, 21375030]

約数ペア:

[(1, 21375030), (2, 10687515), (3, 7125010), (5, 4275006), (6, 3562505), (10, 2137503), (15, 1425002), (29, 737070), (30, 712501), (58, 368535), (79, 270570), (87, 245690), (145, 147414), (158, 135285), (174, 122845), (237, 90190), (290, 73707), (311, 68730), (395, 54114), (435, 49138), (474, 45095), (622, 34365), (790, 27057), (870, 24569), (933, 22910), (1185, 18038), (1555, 13746), (1866, 11455), (2291, 9330), (2370, 9019), (3110, 6873), (4582, 4665)]