21988350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:522

約数の個数: 72

約数和(自身を含む): 59685912

約数和(自身を除く): 37697562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 131, 150, 225, 262, 373, 393, 450, 655, 746, 786, 1119, 1179, 1310, 1865, 1965, 2238, 2358, 3275, 3357, 3730, 3930, 5595, 5895, 6550, 6714, 9325, 9825, 11190, 11790, 16785, 18650, 19650, 27975, 29475, 33570, 48863, 55950, 58950, 83925, 97726, 146589, 167850, 244315, 293178, 439767, 488630, 732945, 879534, 1221575, 1465890, 2198835, 2443150, 3664725, 4397670, 7329450, 10994175, 21988350]

約数ペア:

[(1, 21988350), (2, 10994175), (3, 7329450), (5, 4397670), (6, 3664725), (9, 2443150), (10, 2198835), (15, 1465890), (18, 1221575), (25, 879534), (30, 732945), (45, 488630), (50, 439767), (75, 293178), (90, 244315), (131, 167850), (150, 146589), (225, 97726), (262, 83925), (373, 58950), (393, 55950), (450, 48863), (655, 33570), (746, 29475), (786, 27975), (1119, 19650), (1179, 18650), (1310, 16785), (1865, 11790), (1965, 11190), (2238, 9825), (2358, 9325), (3275, 6714), (3357, 6550), (3730, 5895), (3930, 5595)]