21107838

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 43840512

約数和(自身を除く): 22732674

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 283, 401, 566, 802, 849, 1203, 1698, 2406, 8773, 12431, 17546, 24862, 26319, 37293, 52638, 74586, 113483, 226966, 340449, 680898, 3517973, 7035946, 10553919, 21107838]

約数ペア:

[(1, 21107838), (2, 10553919), (3, 7035946), (6, 3517973), (31, 680898), (62, 340449), (93, 226966), (186, 113483), (283, 74586), (401, 52638), (566, 37293), (802, 26319), (849, 24862), (1203, 17546), (1698, 12431), (2406, 8773)]