21411700990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2953}}^1\times {\mathrm{8147}}^1$

素因数の和:11196

約数の個数: 32

約数和(自身を含む): 38992091040

約数和(自身を除く): 17580390050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2953, 5906, 8147, 14765, 16294, 29530, 40735, 81470, 262817, 525634, 725083, 1314085, 1450166, 2628170, 3625415, 7250830, 24058091, 48116182, 120290455, 240580910, 2141170099, 4282340198, 10705850495, 21411700990]

約数ペア:

[(1, 21411700990), (2, 10705850495), (5, 4282340198), (10, 2141170099), (89, 240580910), (178, 120290455), (445, 48116182), (890, 24058091), (2953, 7250830), (5906, 3625415), (8147, 2628170), (14765, 1450166), (16294, 1314085), (29530, 725083), (40735, 525634), (81470, 262817)]