21960180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3697}}^1$

素因数の和:3726

約数の個数: 96

約数和(自身を含む): 74551680

約数和(自身を除く): 52591500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3697, 5940, 7394, 11091, 14788, 18485, 22182, 33273, 36970, 40667, 44364, 55455, 66546, 73940, 81334, 99819, 110910, 122001, 133092, 162668, 166365, 199638, 203335, 221820, 244002, 332730, 366003, 399276, 406670, 488004, 499095, 610005, 665460, 732006, 813340, 998190, 1098009, 1220010, 1464012, 1830015, 1996380, 2196018, 2440020, 3660030, 4392036, 5490045, 7320060, 10980090, 21960180]

約数ペア:

[(1, 21960180), (2, 10980090), (3, 7320060), (4, 5490045), (5, 4392036), (6, 3660030), (9, 2440020), (10, 2196018), (11, 1996380), (12, 1830015), (15, 1464012), (18, 1220010), (20, 1098009), (22, 998190), (27, 813340), (30, 732006), (33, 665460), (36, 610005), (44, 499095), (45, 488004), (54, 406670), (55, 399276), (60, 366003), (66, 332730), (90, 244002), (99, 221820), (108, 203335), (110, 199638), (132, 166365), (135, 162668), (165, 133092), (180, 122001), (198, 110910), (220, 99819), (270, 81334), (297, 73940), (330, 66546), (396, 55455), (495, 44364), (540, 40667), (594, 36970), (660, 33273), (990, 22182), (1188, 18485), (1485, 14788), (1980, 11091), (2970, 7394), (3697, 5940)]