21768110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1305

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29035090

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1259, 1330, 1729, 2470, 2518, 3458, 6295, 8645, 8813, 12590, 16367, 17290, 17626, 23921, 32734, 44065, 47842, 81835, 88130, 114569, 119605, 163670, 167447, 229138, 239210, 310973, 334894, 572845, 621946, 837235, 1145690, 1554865, 1674470, 2176811, 3109730, 4353622, 10884055, 21768110]

約数ペア:

[(1, 21768110), (2, 10884055), (5, 4353622), (7, 3109730), (10, 2176811), (13, 1674470), (14, 1554865), (19, 1145690), (26, 837235), (35, 621946), (38, 572845), (65, 334894), (70, 310973), (91, 239210), (95, 229138), (130, 167447), (133, 163670), (182, 119605), (190, 114569), (247, 88130), (266, 81835), (455, 47842), (494, 44065), (665, 32734), (910, 23921), (1235, 17626), (1259, 17290), (1330, 16367), (1729, 12590), (2470, 8813), (2518, 8645), (3458, 6295)]