21256600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4621}}^1$

素因数の和:4660

約数の個数: 48

約数和(自身を含む): 51581520

約数和(自身を除く): 30324920

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, 4621, 9242, 18484, 23105, 36968, 46210, 92420, 106283, 115525, 184840, 212566, 231050, 425132, 462100, 531415, 850264, 924200, 1062830, 2125660, 2657075, 4251320, 5314150, 10628300, 21256600]

約数ペア:

[(1, 21256600), (2, 10628300), (4, 5314150), (5, 4251320), (8, 2657075), (10, 2125660), (20, 1062830), (23, 924200), (25, 850264), (40, 531415), (46, 462100), (50, 425132), (92, 231050), (100, 212566), (115, 184840), (184, 115525), (200, 106283), (230, 92420), (460, 46210), (575, 36968), (920, 23105), (1150, 18484), (2300, 9242), (4600, 4621)]