21032850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 52452000

約数和(自身を除く): 31419150

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 281, 499, 562, 843, 998, 1405, 1497, 1686, 2495, 2810, 2994, 4215, 4990, 7025, 7485, 8430, 12475, 14050, 14970, 21075, 24950, 37425, 42150, 74850, 140219, 280438, 420657, 701095, 841314, 1402190, 2103285, 3505475, 4206570, 7010950, 10516425, 21032850]

約数ペア:

[(1, 21032850), (2, 10516425), (3, 7010950), (5, 4206570), (6, 3505475), (10, 2103285), (15, 1402190), (25, 841314), (30, 701095), (50, 420657), (75, 280438), (150, 140219), (281, 74850), (499, 42150), (562, 37425), (843, 24950), (998, 21075), (1405, 14970), (1497, 14050), (1686, 12475), (2495, 8430), (2810, 7485), (2994, 7025), (4215, 4990)]