21502170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1567

約数の個数: 48

約数和(自身を含む): 56269512

約数和(自身を除く): 34767342

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1381, 1557, 1730, 2595, 2762, 3114, 4143, 5190, 6905, 7785, 8286, 12429, 13810, 15570, 20715, 24858, 41430, 62145, 124290, 238913, 477826, 716739, 1194565, 1433478, 2150217, 2389130, 3583695, 4300434, 7167390, 10751085, 21502170]

約数ペア:

[(1, 21502170), (2, 10751085), (3, 7167390), (5, 4300434), (6, 3583695), (9, 2389130), (10, 2150217), (15, 1433478), (18, 1194565), (30, 716739), (45, 477826), (90, 238913), (173, 124290), (346, 62145), (519, 41430), (865, 24858), (1038, 20715), (1381, 15570), (1557, 13810), (1730, 12429), (2595, 8286), (2762, 7785), (3114, 6905), (4143, 5190)]