21227040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14741}}^1$

素因数の和:14762

約数の個数: 72

約数和(自身を含む): 72442188

約数和(自身を除く): 51215148

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14741, 29482, 44223, 58964, 73705, 88446, 117928, 132669, 147410, 176892, 221115, 235856, 265338, 294820, 353784, 442230, 471712, 530676, 589640, 663345, 707568, 884460, 1061352, 1179280, 1326690, 1415136, 1768920, 2122704, 2358560, 2653380, 3537840, 4245408, 5306760, 7075680, 10613520, 21227040]

約数ペア:

[(1, 21227040), (2, 10613520), (3, 7075680), (4, 5306760), (5, 4245408), (6, 3537840), (8, 2653380), (9, 2358560), (10, 2122704), (12, 1768920), (15, 1415136), (16, 1326690), (18, 1179280), (20, 1061352), (24, 884460), (30, 707568), (32, 663345), (36, 589640), (40, 530676), (45, 471712), (48, 442230), (60, 353784), (72, 294820), (80, 265338), (90, 235856), (96, 221115), (120, 176892), (144, 147410), (160, 132669), (180, 117928), (240, 88446), (288, 73705), (360, 58964), (480, 44223), (720, 29482), (1440, 14741)]