21998307960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{629963}}^1$

素因数の和:630077

約数の個数: 96

約数和(自身を含む): 72231672240

約数和(自身を除く): 50233364280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2328, 2910, 3492, 3880, 4365, 5820, 6984, 8730, 11640, 17460, 34920, 629963, 1259926, 1889889, 2519852, 3149815, 3779778, 5039704, 5669667, 6299630, 7559556, 9449445, 11339334, 12599260, 15119112, 18898890, 22678668, 25198520, 28348335, 37797780, 45357336, 56696670, 61106411, 75595560, 113393340, 122212822, 183319233, 226786680, 244425644, 305532055, 366638466, 488851288, 549957699, 611064110, 733276932, 916596165, 1099915398, 1222128220, 1466553864, 1833192330, 2199830796, 2444256440, 2749788495, 3666384660, 4399661592, 5499576990, 7332769320, 10999153980, 21998307960]

約数ペア:

[(1, 21998307960), (2, 10999153980), (3, 7332769320), (4, 5499576990), (5, 4399661592), (6, 3666384660), (8, 2749788495), (9, 2444256440), (10, 2199830796), (12, 1833192330), (15, 1466553864), (18, 1222128220), (20, 1099915398), (24, 916596165), (30, 733276932), (36, 611064110), (40, 549957699), (45, 488851288), (60, 366638466), (72, 305532055), (90, 244425644), (97, 226786680), (120, 183319233), (180, 122212822), (194, 113393340), (291, 75595560), (360, 61106411), (388, 56696670), (485, 45357336), (582, 37797780), (776, 28348335), (873, 25198520), (970, 22678668), (1164, 18898890), (1455, 15119112), (1746, 12599260), (1940, 11339334), (2328, 9449445), (2910, 7559556), (3492, 6299630), (3880, 5669667), (4365, 5039704), (5820, 3779778), (6984, 3149815), (8730, 2519852), (11640, 1889889), (17460, 1259926), (34920, 629963)]