21223356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 62619648

約数和(自身を除く): 41396292

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 103, 132, 154, 206, 223, 231, 308, 309, 412, 446, 462, 618, 669, 721, 892, 924, 1133, 1236, 1338, 1442, 1561, 2163, 2266, 2453, 2676, 2884, 3122, 3399, 4326, 4532, 4683, 4906, 6244, 6798, 7359, 7931, 8652, 9366, 9812, 13596, 14718, 15862, 17171, 18732, 22969, 23793, 29436, 31724, 34342, 45938, 47586, 51513, 68684, 68907, 91876, 95172, 103026, 137814, 160783, 206052, 252659, 275628, 321566, 482349, 505318, 643132, 757977, 964698, 1010636, 1515954, 1768613, 1929396, 3031908, 3537226, 5305839, 7074452, 10611678, 21223356]

約数ペア:

[(1, 21223356), (2, 10611678), (3, 7074452), (4, 5305839), (6, 3537226), (7, 3031908), (11, 1929396), (12, 1768613), (14, 1515954), (21, 1010636), (22, 964698), (28, 757977), (33, 643132), (42, 505318), (44, 482349), (66, 321566), (77, 275628), (84, 252659), (103, 206052), (132, 160783), (154, 137814), (206, 103026), (223, 95172), (231, 91876), (308, 68907), (309, 68684), (412, 51513), (446, 47586), (462, 45938), (618, 34342), (669, 31724), (721, 29436), (892, 23793), (924, 22969), (1133, 18732), (1236, 17171), (1338, 15862), (1442, 14718), (1561, 13596), (2163, 9812), (2266, 9366), (2453, 8652), (2676, 7931), (2884, 7359), (3122, 6798), (3399, 6244), (4326, 4906), (4532, 4683)]