21637260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2392

約数の個数: 96

約数和(自身を含む): 71305920

約数和(自身を除く): 49668660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 2357, 3060, 4590, 4714, 7071, 9180, 9428, 11785, 14142, 21213, 23570, 28284, 35355, 40069, 42426, 47140, 63639, 70710, 80138, 84852, 106065, 120207, 127278, 141420, 160276, 200345, 212130, 240414, 254556, 318195, 360621, 400690, 424260, 480828, 601035, 636390, 721242, 801380, 1081863, 1202070, 1272780, 1442484, 1803105, 2163726, 2404140, 3606210, 4327452, 5409315, 7212420, 10818630, 21637260]

約数ペア:

[(1, 21637260), (2, 10818630), (3, 7212420), (4, 5409315), (5, 4327452), (6, 3606210), (9, 2404140), (10, 2163726), (12, 1803105), (15, 1442484), (17, 1272780), (18, 1202070), (20, 1081863), (27, 801380), (30, 721242), (34, 636390), (36, 601035), (45, 480828), (51, 424260), (54, 400690), (60, 360621), (68, 318195), (85, 254556), (90, 240414), (102, 212130), (108, 200345), (135, 160276), (153, 141420), (170, 127278), (180, 120207), (204, 106065), (255, 84852), (270, 80138), (306, 70710), (340, 63639), (459, 47140), (510, 42426), (540, 40069), (612, 35355), (765, 28284), (918, 23570), (1020, 21213), (1530, 14142), (1836, 11785), (2295, 9428), (2357, 9180), (3060, 7071), (4590, 4714)]