21447236

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 38613120

約数和(自身を除く): 17165884

約数列:

[1, 2, 4, 67, 79, 134, 158, 268, 316, 1013, 2026, 4052, 5293, 10586, 21172, 67871, 80027, 135742, 160054, 271484, 320108, 5361809, 10723618, 21447236]

約数ペア:

[(1, 21447236), (2, 10723618), (4, 5361809), (67, 320108), (79, 271484), (134, 160054), (158, 135742), (268, 80027), (316, 67871), (1013, 21172), (2026, 10586), (4052, 5293)]