21741810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:595

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34245390

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 89, 102, 170, 178, 255, 267, 445, 479, 510, 534, 890, 958, 1335, 1437, 1513, 2395, 2670, 2874, 3026, 4539, 4790, 7185, 7565, 8143, 9078, 14370, 15130, 16286, 22695, 24429, 40715, 42631, 45390, 48858, 81430, 85262, 122145, 127893, 213155, 244290, 255786, 426310, 639465, 724727, 1278930, 1449454, 2174181, 3623635, 4348362, 7247270, 10870905, 21741810]

約数ペア:

[(1, 21741810), (2, 10870905), (3, 7247270), (5, 4348362), (6, 3623635), (10, 2174181), (15, 1449454), (17, 1278930), (30, 724727), (34, 639465), (51, 426310), (85, 255786), (89, 244290), (102, 213155), (170, 127893), (178, 122145), (255, 85262), (267, 81430), (445, 48858), (479, 45390), (510, 42631), (534, 40715), (890, 24429), (958, 22695), (1335, 16286), (1437, 15130), (1513, 14370), (2395, 9078), (2670, 8143), (2874, 7565), (3026, 7185), (4539, 4790)]