21569670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{541}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 56311632

約数和(自身を除く): 34741962

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 443, 541, 886, 1082, 1329, 1623, 2215, 2658, 2705, 3246, 3987, 4430, 4869, 5410, 6645, 7974, 8115, 9738, 13290, 16230, 19935, 24345, 39870, 48690, 239663, 479326, 718989, 1198315, 1437978, 2156967, 2396630, 3594945, 4313934, 7189890, 10784835, 21569670]

約数ペア:

[(1, 21569670), (2, 10784835), (3, 7189890), (5, 4313934), (6, 3594945), (9, 2396630), (10, 2156967), (15, 1437978), (18, 1198315), (30, 718989), (45, 479326), (90, 239663), (443, 48690), (541, 39870), (886, 24345), (1082, 19935), (1329, 16230), (1623, 13290), (2215, 9738), (2658, 8115), (2705, 7974), (3246, 6645), (3987, 5410), (4430, 4869)]