21689760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:710

約数の個数: 96

約数和(自身を含む): 69370560

約数和(自身を除く): 47680800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 120, 146, 160, 219, 240, 292, 365, 438, 480, 584, 619, 730, 876, 1095, 1168, 1238, 1460, 1752, 1857, 2190, 2336, 2476, 2920, 3095, 3504, 3714, 4380, 4952, 5840, 6190, 7008, 7428, 8760, 9285, 9904, 11680, 12380, 14856, 17520, 18570, 19808, 24760, 29712, 35040, 37140, 45187, 49520, 59424, 74280, 90374, 99040, 135561, 148560, 180748, 225935, 271122, 297120, 361496, 451870, 542244, 677805, 722992, 903740, 1084488, 1355610, 1445984, 1807480, 2168976, 2711220, 3614960, 4337952, 5422440, 7229920, 10844880, 21689760]

約数ペア:

[(1, 21689760), (2, 10844880), (3, 7229920), (4, 5422440), (5, 4337952), (6, 3614960), (8, 2711220), (10, 2168976), (12, 1807480), (15, 1445984), (16, 1355610), (20, 1084488), (24, 903740), (30, 722992), (32, 677805), (40, 542244), (48, 451870), (60, 361496), (73, 297120), (80, 271122), (96, 225935), (120, 180748), (146, 148560), (160, 135561), (219, 99040), (240, 90374), (292, 74280), (365, 59424), (438, 49520), (480, 45187), (584, 37140), (619, 35040), (730, 29712), (876, 24760), (1095, 19808), (1168, 18570), (1238, 17520), (1460, 14856), (1752, 12380), (1857, 11680), (2190, 9904), (2336, 9285), (2476, 8760), (2920, 7428), (3095, 7008), (3504, 6190), (3714, 5840), (4380, 4952)]