21008889730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{263}}^1\times {\mathrm{1499}}^1$

素因数の和:1915

約数の個数: 48

約数和(自身を含む): 38512584000

約数和(自身を除く): 17503694270

約数列:

[1, 2, 5, 10, 73, 146, 263, 365, 526, 730, 1315, 1499, 2630, 2998, 5329, 7495, 10658, 14990, 19199, 26645, 38398, 53290, 95995, 109427, 191990, 218854, 394237, 547135, 788474, 1094270, 1401527, 1971185, 2803054, 3942370, 7007635, 7988171, 14015270, 15976342, 28779301, 39940855, 57558602, 79881710, 143896505, 287793010, 2100888973, 4201777946, 10504444865, 21008889730]

約数ペア:

[(1, 21008889730), (2, 10504444865), (5, 4201777946), (10, 2100888973), (73, 287793010), (146, 143896505), (263, 79881710), (365, 57558602), (526, 39940855), (730, 28779301), (1315, 15976342), (1499, 14015270), (2630, 7988171), (2998, 7007635), (5329, 3942370), (7495, 2803054), (10658, 1971185), (14990, 1401527), (19199, 1094270), (26645, 788474), (38398, 547135), (53290, 394237), (95995, 218854), (109427, 191990)]