21463245

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{919}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 38419200

約数和(自身を除く): 16955955

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 865, 919, 1557, 2595, 2757, 4595, 4671, 7785, 8271, 13785, 23355, 24813, 41355, 124065, 158987, 476961, 794935, 1430883, 2384805, 4292649, 7154415, 21463245]

約数ペア:

[(1, 21463245), (3, 7154415), (5, 4292649), (9, 2384805), (15, 1430883), (27, 794935), (45, 476961), (135, 158987), (173, 124065), (519, 41355), (865, 24813), (919, 23355), (1557, 13785), (2595, 8271), (2757, 7785), (4595, 4671)]