21354258

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 44808192

約数和(自身を除く): 23453934

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 271, 542, 571, 813, 1142, 1626, 1713, 3426, 6233, 12466, 13133, 18699, 26266, 37398, 39399, 78798, 154741, 309482, 464223, 928446, 3559043, 7118086, 10677129, 21354258]

約数ペア:

[(1, 21354258), (2, 10677129), (3, 7118086), (6, 3559043), (23, 928446), (46, 464223), (69, 309482), (138, 154741), (271, 78798), (542, 39399), (571, 37398), (813, 26266), (1142, 18699), (1626, 13133), (1713, 12466), (3426, 6233)]