21261342

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 44968320

約数和(自身を除く): 23706978

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 421, 443, 842, 886, 1263, 1329, 2526, 2658, 7999, 8417, 15998, 16834, 23997, 25251, 47994, 50502, 186503, 373006, 559509, 1119018, 3543557, 7087114, 10630671, 21261342]

約数ペア:

[(1, 21261342), (2, 10630671), (3, 7087114), (6, 3543557), (19, 1119018), (38, 559509), (57, 373006), (114, 186503), (421, 50502), (443, 47994), (842, 25251), (886, 23997), (1263, 16834), (1329, 15998), (2526, 8417), (2658, 7999)]