21217440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44203}}^1$

素因数の和:44221

約数の個数: 48

約数和(自身を含む): 66836448

約数和(自身を除く): 45619008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44203, 88406, 132609, 176812, 221015, 265218, 353624, 442030, 530436, 663045, 707248, 884060, 1060872, 1326090, 1414496, 1768120, 2121744, 2652180, 3536240, 4243488, 5304360, 7072480, 10608720, 21217440]

約数ペア:

[(1, 21217440), (2, 10608720), (3, 7072480), (4, 5304360), (5, 4243488), (6, 3536240), (8, 2652180), (10, 2121744), (12, 1768120), (15, 1414496), (16, 1326090), (20, 1060872), (24, 884060), (30, 707248), (32, 663045), (40, 530436), (48, 442030), (60, 353624), (80, 265218), (96, 221015), (120, 176812), (160, 132609), (240, 88406), (480, 44203)]