21144250

素因数分解:

$2^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{1019}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 18953990

約数列:

[1, 2, 5, 10, 25, 50, 83, 125, 166, 250, 415, 830, 1019, 2038, 2075, 4150, 5095, 10190, 10375, 20750, 25475, 50950, 84577, 127375, 169154, 254750, 422885, 845770, 2114425, 4228850, 10572125, 21144250]

約数ペア:

[(1, 21144250), (2, 10572125), (5, 4228850), (10, 2114425), (25, 845770), (50, 422885), (83, 254750), (125, 169154), (166, 127375), (250, 84577), (415, 50950), (830, 25475), (1019, 20750), (2038, 10375), (2075, 10190), (4150, 5095)]