21465960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4363}}^1$

素因数の和:4418

約数の個数: 64

約数和(自身を含む): 65983680

約数和(自身を除く): 44517720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4363, 4920, 8726, 13089, 17452, 21815, 26178, 34904, 43630, 52356, 65445, 87260, 104712, 130890, 174520, 178883, 261780, 357766, 523560, 536649, 715532, 894415, 1073298, 1431064, 1788830, 2146596, 2683245, 3577660, 4293192, 5366490, 7155320, 10732980, 21465960]

約数ペア:

[(1, 21465960), (2, 10732980), (3, 7155320), (4, 5366490), (5, 4293192), (6, 3577660), (8, 2683245), (10, 2146596), (12, 1788830), (15, 1431064), (20, 1073298), (24, 894415), (30, 715532), (40, 536649), (41, 523560), (60, 357766), (82, 261780), (120, 178883), (123, 174520), (164, 130890), (205, 104712), (246, 87260), (328, 65445), (410, 52356), (492, 43630), (615, 34904), (820, 26178), (984, 21815), (1230, 17452), (1640, 13089), (2460, 8726), (4363, 4920)]