221821908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1013

約数の個数: 96

約数和(自身を含む): 647958528

約数和(自身を除く): 426136620

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 431, 462, 557, 862, 924, 1114, 1293, 1671, 1724, 2228, 2586, 3017, 3342, 3899, 4741, 5172, 6034, 6127, 6684, 7798, 9051, 9482, 11697, 12068, 12254, 14223, 15596, 18102, 18381, 18964, 23394, 24508, 28446, 33187, 36204, 36762, 42889, 46788, 56892, 66374, 73524, 85778, 99561, 128667, 132748, 171556, 199122, 240067, 257334, 398244, 480134, 514668, 720201, 960268, 1440402, 1680469, 2640737, 2880804, 3360938, 5041407, 5281474, 6721876, 7922211, 10082814, 10562948, 15844422, 18485159, 20165628, 31688844, 36970318, 55455477, 73940636, 110910954, 221821908]

約数ペア:

[(1, 221821908), (2, 110910954), (3, 73940636), (4, 55455477), (6, 36970318), (7, 31688844), (11, 20165628), (12, 18485159), (14, 15844422), (21, 10562948), (22, 10082814), (28, 7922211), (33, 6721876), (42, 5281474), (44, 5041407), (66, 3360938), (77, 2880804), (84, 2640737), (132, 1680469), (154, 1440402), (231, 960268), (308, 720201), (431, 514668), (462, 480134), (557, 398244), (862, 257334), (924, 240067), (1114, 199122), (1293, 171556), (1671, 132748), (1724, 128667), (2228, 99561), (2586, 85778), (3017, 73524), (3342, 66374), (3899, 56892), (4741, 46788), (5172, 42889), (6034, 36762), (6127, 36204), (6684, 33187), (7798, 28446), (9051, 24508), (9482, 23394), (11697, 18964), (12068, 18381), (12254, 18102), (14223, 15596)]