21741018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 47084352

約数和(自身を除く): 25343334

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1266, 1321, 2642, 2743, 3963, 5486, 7926, 8229, 16458, 17173, 34346, 51519, 103038, 278731, 557462, 836193, 1672386, 3623503, 7247006, 10870509, 21741018]

約数ペア:

[(1, 21741018), (2, 10870509), (3, 7247006), (6, 3623503), (13, 1672386), (26, 836193), (39, 557462), (78, 278731), (211, 103038), (422, 51519), (633, 34346), (1266, 17173), (1321, 16458), (2642, 8229), (2743, 7926), (3963, 5486)]