21953200

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:862

約数の個数: 60

約数和(自身を含む): 53554608

約数和(自身を除く): 31601408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 773, 1136, 1420, 1546, 1775, 2840, 3092, 3550, 3865, 5680, 6184, 7100, 7730, 12368, 14200, 15460, 19325, 28400, 30920, 38650, 54883, 61840, 77300, 109766, 154600, 219532, 274415, 309200, 439064, 548830, 878128, 1097660, 1372075, 2195320, 2744150, 4390640, 5488300, 10976600, 21953200]

約数ペア:

[(1, 21953200), (2, 10976600), (4, 5488300), (5, 4390640), (8, 2744150), (10, 2195320), (16, 1372075), (20, 1097660), (25, 878128), (40, 548830), (50, 439064), (71, 309200), (80, 274415), (100, 219532), (142, 154600), (200, 109766), (284, 77300), (355, 61840), (400, 54883), (568, 38650), (710, 30920), (773, 28400), (1136, 19325), (1420, 15460), (1546, 14200), (1775, 12368), (2840, 7730), (3092, 7100), (3550, 6184), (3865, 5680)]