21073502760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2405651}}^1$

素因数の和:2405738

約数の個数: 64

約数和(自身を含む): 64086569280

約数和(自身を除く): 43013066520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 2405651, 4811302, 7216953, 9622604, 12028255, 14433906, 19245208, 24056510, 28867812, 36084765, 48113020, 57735624, 72169530, 96226040, 144339060, 175612523, 288678120, 351225046, 526837569, 702450092, 878062615, 1053675138, 1404900184, 1756125230, 2107350276, 2634187845, 3512250460, 4214700552, 5268375690, 7024500920, 10536751380, 21073502760]

約数ペア:

[(1, 21073502760), (2, 10536751380), (3, 7024500920), (4, 5268375690), (5, 4214700552), (6, 3512250460), (8, 2634187845), (10, 2107350276), (12, 1756125230), (15, 1404900184), (20, 1053675138), (24, 878062615), (30, 702450092), (40, 526837569), (60, 351225046), (73, 288678120), (120, 175612523), (146, 144339060), (219, 96226040), (292, 72169530), (365, 57735624), (438, 48113020), (584, 36084765), (730, 28867812), (876, 24056510), (1095, 19245208), (1460, 14433906), (1752, 12028255), (2190, 9622604), (2920, 7216953), (4380, 4811302), (8760, 2405651)]