21716600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4760

約数の個数: 48

約数和(自身を含む): 52697520

約数和(自身を除く): 30980920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 4721, 9442, 18884, 23605, 37768, 47210, 94420, 108583, 118025, 188840, 217166, 236050, 434332, 472100, 542915, 868664, 944200, 1085830, 2171660, 2714575, 4343320, 5429150, 10858300, 21716600]

約数ペア:

[(1, 21716600), (2, 10858300), (4, 5429150), (5, 4343320), (8, 2714575), (10, 2171660), (20, 1085830), (23, 944200), (25, 868664), (40, 542915), (46, 472100), (50, 434332), (92, 236050), (100, 217166), (115, 188840), (184, 118025), (200, 108583), (230, 94420), (460, 47210), (575, 37768), (920, 23605), (1150, 18884), (2300, 9442), (4600, 4721)]