21708650

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5231}}^1$

素因数の和:5326

約数の個数: 24

約数和(自身を含む): 40872384

約数和(自身を除く): 19163734

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5231, 10462, 26155, 52310, 130775, 261550, 434173, 868346, 2170865, 4341730, 10854325, 21708650]

約数ペア:

[(1, 21708650), (2, 10854325), (5, 4341730), (10, 2170865), (25, 868346), (50, 434173), (83, 261550), (166, 130775), (415, 52310), (830, 26155), (2075, 10462), (4150, 5231)]