21102912240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87928801}}^1$

素因数の和:87928817

約数の個数: 40

約数和(自身を含む): 65419028688

約数和(自身を除く): 44316116448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87928801, 175857602, 263786403, 351715204, 439644005, 527572806, 703430408, 879288010, 1055145612, 1318932015, 1406860816, 1758576020, 2110291224, 2637864030, 3517152040, 4220582448, 5275728060, 7034304080, 10551456120, 21102912240]

約数ペア:

[(1, 21102912240), (2, 10551456120), (3, 7034304080), (4, 5275728060), (5, 4220582448), (6, 3517152040), (8, 2637864030), (10, 2110291224), (12, 1758576020), (15, 1406860816), (16, 1318932015), (20, 1055145612), (24, 879288010), (30, 703430408), (40, 527572806), (48, 439644005), (60, 351715204), (80, 263786403), (120, 175857602), (240, 87928801)]