21787258950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{308383}}^1$

素因数の和:308558

約数の個数: 72

約数和(自身を含む): 58908128448

約数和(自身を除く): 37120869498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 157, 225, 314, 450, 471, 785, 942, 1413, 1570, 2355, 2826, 3925, 4710, 7065, 7850, 11775, 14130, 23550, 35325, 70650, 308383, 616766, 925149, 1541915, 1850298, 2775447, 3083830, 4625745, 5550894, 7709575, 9251490, 13877235, 15419150, 23128725, 27754470, 46257450, 48416131, 69386175, 96832262, 138772350, 145248393, 242080655, 290496786, 435745179, 484161310, 726241965, 871490358, 1210403275, 1452483930, 2178725895, 2420806550, 3631209825, 4357451790, 7262419650, 10893629475, 21787258950]

約数ペア:

[(1, 21787258950), (2, 10893629475), (3, 7262419650), (5, 4357451790), (6, 3631209825), (9, 2420806550), (10, 2178725895), (15, 1452483930), (18, 1210403275), (25, 871490358), (30, 726241965), (45, 484161310), (50, 435745179), (75, 290496786), (90, 242080655), (150, 145248393), (157, 138772350), (225, 96832262), (314, 69386175), (450, 48416131), (471, 46257450), (785, 27754470), (942, 23128725), (1413, 15419150), (1570, 13877235), (2355, 9251490), (2826, 7709575), (3925, 5550894), (4710, 4625745), (7065, 3083830), (7850, 2775447), (11775, 1850298), (14130, 1541915), (23550, 925149), (35325, 616766), (70650, 308383)]