21709350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1271

約数の個数: 96

約数和(自身を含む): 64475040

約数和(自身を除く): 42765690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 130, 135, 150, 195, 225, 234, 270, 325, 351, 390, 450, 585, 650, 675, 702, 975, 1170, 1237, 1350, 1755, 1950, 2474, 2925, 3510, 3711, 5850, 6185, 7422, 8775, 11133, 12370, 16081, 17550, 18555, 22266, 30925, 32162, 33399, 37110, 48243, 55665, 61850, 66798, 80405, 92775, 96486, 111330, 144729, 160810, 166995, 185550, 241215, 278325, 289458, 333990, 402025, 434187, 482430, 556650, 723645, 804050, 834975, 868374, 1206075, 1447290, 1669950, 2170935, 2412150, 3618225, 4341870, 7236450, 10854675, 21709350]

約数ペア:

[(1, 21709350), (2, 10854675), (3, 7236450), (5, 4341870), (6, 3618225), (9, 2412150), (10, 2170935), (13, 1669950), (15, 1447290), (18, 1206075), (25, 868374), (26, 834975), (27, 804050), (30, 723645), (39, 556650), (45, 482430), (50, 434187), (54, 402025), (65, 333990), (75, 289458), (78, 278325), (90, 241215), (117, 185550), (130, 166995), (135, 160810), (150, 144729), (195, 111330), (225, 96486), (234, 92775), (270, 80405), (325, 66798), (351, 61850), (390, 55665), (450, 48243), (585, 37110), (650, 33399), (675, 32162), (702, 30925), (975, 22266), (1170, 18555), (1237, 17550), (1350, 16081), (1755, 12370), (1950, 11133), (2474, 8775), (2925, 7422), (3510, 6185), (3711, 5850)]