21505122

素因数分解:

$2^1\times 3^3\times {\mathrm{101}}^1\times {\mathrm{3943}}^1$

素因数の和:4055

約数の個数: 32

約数和(自身を含む): 48274560

約数和(自身を除く): 26769438

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 101, 202, 303, 606, 909, 1818, 2727, 3943, 5454, 7886, 11829, 23658, 35487, 70974, 106461, 212922, 398243, 796486, 1194729, 2389458, 3584187, 7168374, 10752561, 21505122]

約数ペア:

[(1, 21505122), (2, 10752561), (3, 7168374), (6, 3584187), (9, 2389458), (18, 1194729), (27, 796486), (54, 398243), (101, 212922), (202, 106461), (303, 70974), (606, 35487), (909, 23658), (1818, 11829), (2727, 7886), (3943, 5454)]