21441390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 31781010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 83, 109, 158, 166, 218, 237, 249, 327, 395, 415, 474, 498, 545, 654, 790, 830, 1090, 1185, 1245, 1635, 2370, 2490, 3270, 6557, 8611, 9047, 13114, 17222, 18094, 19671, 25833, 27141, 32785, 39342, 43055, 45235, 51666, 54282, 65570, 86110, 90470, 98355, 129165, 135705, 196710, 258330, 271410, 714713, 1429426, 2144139, 3573565, 4288278, 7147130, 10720695, 21441390]

約数ペア:

[(1, 21441390), (2, 10720695), (3, 7147130), (5, 4288278), (6, 3573565), (10, 2144139), (15, 1429426), (30, 714713), (79, 271410), (83, 258330), (109, 196710), (158, 135705), (166, 129165), (218, 98355), (237, 90470), (249, 86110), (327, 65570), (395, 54282), (415, 51666), (474, 45235), (498, 43055), (545, 39342), (654, 32785), (790, 27141), (830, 25833), (1090, 19671), (1185, 18094), (1245, 17222), (1635, 13114), (2370, 9047), (2490, 8611), (3270, 6557)]