21972321816

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1\times {\mathrm{21391}}^1$

素因数の和:21864

約数の個数: 64

約数和(自身を含む): 55530209280

約数和(自身を除く): 33557887464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 254, 337, 381, 508, 674, 762, 1011, 1016, 1348, 1524, 2022, 2696, 3048, 4044, 8088, 21391, 42782, 42799, 64173, 85564, 85598, 128346, 128397, 171128, 171196, 256692, 256794, 342392, 513384, 513588, 1027176, 2716657, 5433314, 7208767, 8149971, 10866628, 14417534, 16299942, 21626301, 21733256, 28835068, 32599884, 43252602, 57670136, 65199768, 86505204, 173010408, 915513409, 1831026818, 2746540227, 3662053636, 5493080454, 7324107272, 10986160908, 21972321816]

約数ペア:

[(1, 21972321816), (2, 10986160908), (3, 7324107272), (4, 5493080454), (6, 3662053636), (8, 2746540227), (12, 1831026818), (24, 915513409), (127, 173010408), (254, 86505204), (337, 65199768), (381, 57670136), (508, 43252602), (674, 32599884), (762, 28835068), (1011, 21733256), (1016, 21626301), (1348, 16299942), (1524, 14417534), (2022, 10866628), (2696, 8149971), (3048, 7208767), (4044, 5433314), (8088, 2716657), (21391, 1027176), (42782, 513588), (42799, 513384), (64173, 342392), (85564, 256794), (85598, 256692), (128346, 171196), (128397, 171128)]