21763590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16871}}^1$

素因数の和:16924

約数の個数: 32

約数和(自身を含む): 53450496

約数和(自身を除く): 31686906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16871, 33742, 50613, 84355, 101226, 168710, 253065, 506130, 725453, 1450906, 2176359, 3627265, 4352718, 7254530, 10881795, 21763590]

約数ペア:

[(1, 21763590), (2, 10881795), (3, 7254530), (5, 4352718), (6, 3627265), (10, 2176359), (15, 1450906), (30, 725453), (43, 506130), (86, 253065), (129, 168710), (215, 101226), (258, 84355), (430, 50613), (645, 33742), (1290, 16871)]