21846064

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 43849872

約数和(自身を除く): 22003808

約数列:

[1, 2, 4, 8, 16, 43, 86, 113, 172, 226, 281, 344, 452, 562, 688, 904, 1124, 1808, 2248, 4496, 4859, 9718, 12083, 19436, 24166, 31753, 38872, 48332, 63506, 77744, 96664, 127012, 193328, 254024, 508048, 1365379, 2730758, 5461516, 10923032, 21846064]

約数ペア:

[(1, 21846064), (2, 10923032), (4, 5461516), (8, 2730758), (16, 1365379), (43, 508048), (86, 254024), (113, 193328), (172, 127012), (226, 96664), (281, 77744), (344, 63506), (452, 48332), (562, 38872), (688, 31753), (904, 24166), (1124, 19436), (1808, 12083), (2248, 9718), (4496, 4859)]