21955410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2843

約数の個数: 48

約数和(自身を含む): 57746520

約数和(自身を除く): 35791110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 2741, 4005, 5482, 8010, 8223, 13705, 16446, 24669, 27410, 41115, 49338, 82230, 123345, 243949, 246690, 487898, 731847, 1219745, 1463694, 2195541, 2439490, 3659235, 4391082, 7318470, 10977705, 21955410]

約数ペア:

[(1, 21955410), (2, 10977705), (3, 7318470), (5, 4391082), (6, 3659235), (9, 2439490), (10, 2195541), (15, 1463694), (18, 1219745), (30, 731847), (45, 487898), (89, 246690), (90, 243949), (178, 123345), (267, 82230), (445, 49338), (534, 41115), (801, 27410), (890, 24669), (1335, 16446), (1602, 13705), (2670, 8223), (2741, 8010), (4005, 5482)]