21611122

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15402638

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 509, 598, 923, 1018, 1633, 1846, 3266, 6617, 11707, 13234, 21229, 23414, 36139, 42458, 72278, 152191, 304382, 469807, 831197, 939614, 1662394, 10805561, 21611122]

約数ペア:

[(1, 21611122), (2, 10805561), (13, 1662394), (23, 939614), (26, 831197), (46, 469807), (71, 304382), (142, 152191), (299, 72278), (509, 42458), (598, 36139), (923, 23414), (1018, 21229), (1633, 13234), (1846, 11707), (3266, 6617)]