21712189750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1613}}^1\times {\mathrm{2341}}^1$

素因数の和:3994

約数の個数: 64

約数和(自身を含む): 42456825216

約数和(自身を除く): 20744635466

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 1613, 2341, 2875, 3226, 4682, 5750, 8065, 11705, 16130, 23410, 37099, 40325, 53843, 58525, 74198, 80650, 107686, 117050, 185495, 201625, 269215, 292625, 370990, 403250, 538430, 585250, 927475, 1346075, 1854950, 2692150, 3776033, 4637375, 6730375, 7552066, 9274750, 13460750, 18880165, 37760330, 86848759, 94400825, 173697518, 188801650, 434243795, 472004125, 868487590, 944008250, 2171218975, 4342437950, 10856094875, 21712189750]

約数ペア:

[(1, 21712189750), (2, 10856094875), (5, 4342437950), (10, 2171218975), (23, 944008250), (25, 868487590), (46, 472004125), (50, 434243795), (115, 188801650), (125, 173697518), (230, 94400825), (250, 86848759), (575, 37760330), (1150, 18880165), (1613, 13460750), (2341, 9274750), (2875, 7552066), (3226, 6730375), (4682, 4637375), (5750, 3776033), (8065, 2692150), (11705, 1854950), (16130, 1346075), (23410, 927475), (37099, 585250), (40325, 538430), (53843, 403250), (58525, 370990), (74198, 292625), (80650, 269215), (107686, 201625), (117050, 185495)]