21210617008

素因数分解:

$2^4\times 7^1\times {\mathrm{601}}^1\times {\mathrm{315109}}^1$

素因数の和:315725

約数の個数: 40

約数和(自身を含む): 47044662560

約数和(自身を除く): 25834045552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 601, 1202, 2404, 4207, 4808, 8414, 9616, 16828, 33656, 67312, 315109, 630218, 1260436, 2205763, 2520872, 4411526, 5041744, 8823052, 17646104, 35292208, 189380509, 378761018, 757522036, 1325663563, 1515044072, 2651327126, 3030088144, 5302654252, 10605308504, 21210617008]

約数ペア:

[(1, 21210617008), (2, 10605308504), (4, 5302654252), (7, 3030088144), (8, 2651327126), (14, 1515044072), (16, 1325663563), (28, 757522036), (56, 378761018), (112, 189380509), (601, 35292208), (1202, 17646104), (2404, 8823052), (4207, 5041744), (4808, 4411526), (8414, 2520872), (9616, 2205763), (16828, 1260436), (33656, 630218), (67312, 315109)]