21153458

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4229}}^1$

素因数の和:4333

約数の個数: 16

約数和(自身を含む): 33044760

約数和(自身を除く): 11891302

約数列:

[1, 2, 41, 61, 82, 122, 2501, 4229, 5002, 8458, 173389, 257969, 346778, 515938, 10576729, 21153458]

約数ペア:

[(1, 21153458), (2, 10576729), (41, 515938), (61, 346778), (82, 257969), (122, 173389), (2501, 8458), (4229, 5002)]