21383340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44660820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 179, 181, 220, 330, 358, 362, 537, 543, 660, 716, 724, 895, 905, 1074, 1086, 1790, 1810, 1969, 1991, 2148, 2172, 2685, 2715, 3580, 3620, 3938, 3982, 5370, 5430, 5907, 5973, 7876, 7964, 9845, 9955, 10740, 10860, 11814, 11946, 19690, 19910, 23628, 23892, 29535, 29865, 32399, 39380, 39820, 59070, 59730, 64798, 97197, 118140, 119460, 129596, 161995, 194394, 323990, 356389, 388788, 485985, 647980, 712778, 971970, 1069167, 1425556, 1781945, 1943940, 2138334, 3563890, 4276668, 5345835, 7127780, 10691670, 21383340]

約数ペア:

[(1, 21383340), (2, 10691670), (3, 7127780), (4, 5345835), (5, 4276668), (6, 3563890), (10, 2138334), (11, 1943940), (12, 1781945), (15, 1425556), (20, 1069167), (22, 971970), (30, 712778), (33, 647980), (44, 485985), (55, 388788), (60, 356389), (66, 323990), (110, 194394), (132, 161995), (165, 129596), (179, 119460), (181, 118140), (220, 97197), (330, 64798), (358, 59730), (362, 59070), (537, 39820), (543, 39380), (660, 32399), (716, 29865), (724, 29535), (895, 23892), (905, 23628), (1074, 19910), (1086, 19690), (1790, 11946), (1810, 11814), (1969, 10860), (1991, 10740), (2148, 9955), (2172, 9845), (2685, 7964), (2715, 7876), (3580, 5973), (3620, 5907), (3938, 5430), (3982, 5370)]