21359700

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{293}}^1$

素因数の和:325

約数の個数: 126

約数和(自身を含む): 69731214

約数和(自身を除く): 48371514

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 293, 300, 324, 405, 450, 486, 540, 586, 675, 729, 810, 879, 900, 972, 1172, 1215, 1350, 1458, 1465, 1620, 1758, 2025, 2430, 2637, 2700, 2916, 2930, 3516, 3645, 4050, 4395, 4860, 5274, 5860, 6075, 7290, 7325, 7911, 8100, 8790, 10548, 12150, 13185, 14580, 14650, 15822, 17580, 18225, 21975, 23733, 24300, 26370, 29300, 31644, 36450, 39555, 43950, 47466, 52740, 65925, 71199, 72900, 79110, 87900, 94932, 118665, 131850, 142398, 158220, 197775, 213597, 237330, 263700, 284796, 355995, 395550, 427194, 474660, 593325, 711990, 791100, 854388, 1067985, 1186650, 1423980, 1779975, 2135970, 2373300, 3559950, 4271940, 5339925, 7119900, 10679850, 21359700]

約数ペア:

[(1, 21359700), (2, 10679850), (3, 7119900), (4, 5339925), (5, 4271940), (6, 3559950), (9, 2373300), (10, 2135970), (12, 1779975), (15, 1423980), (18, 1186650), (20, 1067985), (25, 854388), (27, 791100), (30, 711990), (36, 593325), (45, 474660), (50, 427194), (54, 395550), (60, 355995), (75, 284796), (81, 263700), (90, 237330), (100, 213597), (108, 197775), (135, 158220), (150, 142398), (162, 131850), (180, 118665), (225, 94932), (243, 87900), (270, 79110), (293, 72900), (300, 71199), (324, 65925), (405, 52740), (450, 47466), (486, 43950), (540, 39555), (586, 36450), (675, 31644), (729, 29300), (810, 26370), (879, 24300), (900, 23733), (972, 21975), (1172, 18225), (1215, 17580), (1350, 15822), (1458, 14650), (1465, 14580), (1620, 13185), (1758, 12150), (2025, 10548), (2430, 8790), (2637, 8100), (2700, 7911), (2916, 7325), (2930, 7290), (3516, 6075), (3645, 5860), (4050, 5274), (4395, 4860)]