21505560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179213}}^1$

素因数の和:179227

約数の個数: 32

約数和(自身を含む): 64517040

約数和(自身を除く): 43011480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179213, 358426, 537639, 716852, 896065, 1075278, 1433704, 1792130, 2150556, 2688195, 3584260, 4301112, 5376390, 7168520, 10752780, 21505560]

約数ペア:

[(1, 21505560), (2, 10752780), (3, 7168520), (4, 5376390), (5, 4301112), (6, 3584260), (8, 2688195), (10, 2150556), (12, 1792130), (15, 1433704), (20, 1075278), (24, 896065), (30, 716852), (40, 537639), (60, 358426), (120, 179213)]