21146200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4597}}^1$

素因数の和:4636

約数の個数: 48

約数和(自身を含む): 51313680

約数和(自身を除く): 30167480

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, 4597, 4600, 9194, 18388, 22985, 36776, 45970, 91940, 105731, 114925, 183880, 211462, 229850, 422924, 459700, 528655, 845848, 919400, 1057310, 2114620, 2643275, 4229240, 5286550, 10573100, 21146200]

約数ペア:

[(1, 21146200), (2, 10573100), (4, 5286550), (5, 4229240), (8, 2643275), (10, 2114620), (20, 1057310), (23, 919400), (25, 845848), (40, 528655), (46, 459700), (50, 422924), (92, 229850), (100, 211462), (115, 183880), (184, 114925), (200, 105731), (230, 91940), (460, 45970), (575, 36776), (920, 22985), (1150, 18388), (2300, 9194), (4597, 4600)]