21919950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1283

約数の個数: 96

約数和(自身を含む): 65100000

約数和(自身を除く): 43180050

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, 1249, 1350, 1755, 1950, 2498, 2925, 3510, 3747, 5850, 6245, 7494, 8775, 11241, 12490, 16237, 17550, 18735, 22482, 31225, 32474, 33723, 37470, 48711, 56205, 62450, 67446, 81185, 93675, 97422, 112410, 146133, 162370, 168615, 187350, 243555, 281025, 292266, 337230, 405925, 438399, 487110, 562050, 730665, 811850, 843075, 876798, 1217775, 1461330, 1686150, 2191995, 2435550, 3653325, 4383990, 7306650, 10959975, 21919950]

約数ペア:

[(1, 21919950), (2, 10959975), (3, 7306650), (5, 4383990), (6, 3653325), (9, 2435550), (10, 2191995), (13, 1686150), (15, 1461330), (18, 1217775), (25, 876798), (26, 843075), (27, 811850), (30, 730665), (39, 562050), (45, 487110), (50, 438399), (54, 405925), (65, 337230), (75, 292266), (78, 281025), (90, 243555), (117, 187350), (130, 168615), (135, 162370), (150, 146133), (195, 112410), (225, 97422), (234, 93675), (270, 81185), (325, 67446), (351, 62450), (390, 56205), (450, 48711), (585, 37470), (650, 33723), (675, 32474), (702, 31225), (975, 22482), (1170, 18735), (1249, 17550), (1350, 16237), (1755, 12490), (1950, 11241), (2498, 8775), (2925, 7494), (3510, 6245), (3747, 5850)]