21419040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44623}}^1$

素因数の和:44641

約数の個数: 48

約数和(自身を含む): 67471488

約数和(自身を除く): 46052448

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, 44623, 89246, 133869, 178492, 223115, 267738, 356984, 446230, 535476, 669345, 713968, 892460, 1070952, 1338690, 1427936, 1784920, 2141904, 2677380, 3569840, 4283808, 5354760, 7139680, 10709520, 21419040]

約数ペア:

[(1, 21419040), (2, 10709520), (3, 7139680), (4, 5354760), (5, 4283808), (6, 3569840), (8, 2677380), (10, 2141904), (12, 1784920), (15, 1427936), (16, 1338690), (20, 1070952), (24, 892460), (30, 713968), (32, 669345), (40, 535476), (48, 446230), (60, 356984), (80, 267738), (96, 223115), (120, 178492), (160, 133869), (240, 89246), (480, 44623)]