21491576360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18527221}}^1$

素因数の和:18527261

約数の個数: 32

約数和(自身を含む): 50023499400

約数和(自身を除く): 28531923040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 18527221, 37054442, 74108884, 92636105, 148217768, 185272210, 370544420, 537289409, 741088840, 1074578818, 2149157636, 2686447045, 4298315272, 5372894090, 10745788180, 21491576360]

約数ペア:

[(1, 21491576360), (2, 10745788180), (4, 5372894090), (5, 4298315272), (8, 2686447045), (10, 2149157636), (20, 1074578818), (29, 741088840), (40, 537289409), (58, 370544420), (116, 185272210), (145, 148217768), (232, 92636105), (290, 74108884), (580, 37054442), (1160, 18527221)]