21880716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 61641216

約数和(自身を除く): 39760500

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 41, 44, 52, 66, 78, 82, 123, 132, 143, 156, 164, 246, 286, 311, 429, 451, 492, 533, 572, 622, 858, 902, 933, 1066, 1244, 1353, 1599, 1716, 1804, 1866, 2132, 2706, 3198, 3421, 3732, 4043, 5412, 5863, 6396, 6842, 8086, 10263, 11726, 12129, 12751, 13684, 16172, 17589, 20526, 23452, 24258, 25502, 35178, 38253, 41052, 44473, 48516, 51004, 70356, 76506, 88946, 133419, 140261, 153012, 165763, 177892, 266838, 280522, 331526, 420783, 497289, 533676, 561044, 663052, 841566, 994578, 1683132, 1823393, 1989156, 3646786, 5470179, 7293572, 10940358, 21880716]

約数ペア:

[(1, 21880716), (2, 10940358), (3, 7293572), (4, 5470179), (6, 3646786), (11, 1989156), (12, 1823393), (13, 1683132), (22, 994578), (26, 841566), (33, 663052), (39, 561044), (41, 533676), (44, 497289), (52, 420783), (66, 331526), (78, 280522), (82, 266838), (123, 177892), (132, 165763), (143, 153012), (156, 140261), (164, 133419), (246, 88946), (286, 76506), (311, 70356), (429, 51004), (451, 48516), (492, 44473), (533, 41052), (572, 38253), (622, 35178), (858, 25502), (902, 24258), (933, 23452), (1066, 20526), (1244, 17589), (1353, 16172), (1599, 13684), (1716, 12751), (1804, 12129), (1866, 11726), (2132, 10263), (2706, 8086), (3198, 6842), (3421, 6396), (3732, 5863), (4043, 5412)]