21618512

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 43163904

約数和(自身を除く): 21545392

約数列:

[1, 2, 4, 8, 16, 73, 83, 146, 166, 223, 292, 332, 446, 584, 664, 892, 1168, 1328, 1784, 3568, 6059, 12118, 16279, 18509, 24236, 32558, 37018, 48472, 65116, 74036, 96944, 130232, 148072, 260464, 296144, 1351157, 2702314, 5404628, 10809256, 21618512]

約数ペア:

[(1, 21618512), (2, 10809256), (4, 5404628), (8, 2702314), (16, 1351157), (73, 296144), (83, 260464), (146, 148072), (166, 130232), (223, 96944), (292, 74036), (332, 65116), (446, 48472), (584, 37018), (664, 32558), (892, 24236), (1168, 18509), (1328, 16279), (1784, 12118), (3568, 6059)]