21550428

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5393}}^1$

素因数の和:5443

約数の個数: 48

約数和(自身を含む): 57392160

約数和(自身を除く): 35841732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5393, 10786, 16179, 21572, 32358, 48537, 64716, 97074, 145611, 194148, 199541, 291222, 399082, 582444, 598623, 798164, 1197246, 1795869, 2394492, 3591738, 5387607, 7183476, 10775214, 21550428]

約数ペア:

[(1, 21550428), (2, 10775214), (3, 7183476), (4, 5387607), (6, 3591738), (9, 2394492), (12, 1795869), (18, 1197246), (27, 798164), (36, 598623), (37, 582444), (54, 399082), (74, 291222), (108, 199541), (111, 194148), (148, 145611), (222, 97074), (333, 64716), (444, 48537), (666, 32358), (999, 21572), (1332, 16179), (1998, 10786), (3996, 5393)]