21904344

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1$

素因数の和:475

約数の個数: 160

約数和(自身を含む): 76665600

約数和(自身を除く): 54761256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 126, 132, 154, 162, 168, 189, 198, 216, 231, 252, 264, 297, 308, 324, 378, 396, 439, 462, 504, 567, 594, 616, 648, 693, 756, 792, 878, 891, 924, 1134, 1188, 1317, 1386, 1512, 1756, 1782, 1848, 2079, 2268, 2376, 2634, 2772, 3073, 3512, 3564, 3951, 4158, 4536, 4829, 5268, 5544, 6146, 6237, 7128, 7902, 8316, 9219, 9658, 10536, 11853, 12292, 12474, 14487, 15804, 16632, 18438, 19316, 23706, 24584, 24948, 27657, 28974, 31608, 33803, 35559, 36876, 38632, 43461, 47412, 49896, 55314, 57948, 67606, 71118, 73752, 82971, 86922, 94824, 101409, 110628, 115896, 130383, 135212, 142236, 165942, 173844, 202818, 221256, 248913, 260766, 270424, 284472, 304227, 331884, 347688, 391149, 405636, 497826, 521532, 608454, 663768, 782298, 811272, 912681, 995652, 1043064, 1216908, 1564596, 1825362, 1991304, 2433816, 2738043, 3129192, 3650724, 5476086, 7301448, 10952172, 21904344]

約数ペア:

[(1, 21904344), (2, 10952172), (3, 7301448), (4, 5476086), (6, 3650724), (7, 3129192), (8, 2738043), (9, 2433816), (11, 1991304), (12, 1825362), (14, 1564596), (18, 1216908), (21, 1043064), (22, 995652), (24, 912681), (27, 811272), (28, 782298), (33, 663768), (36, 608454), (42, 521532), (44, 497826), (54, 405636), (56, 391149), (63, 347688), (66, 331884), (72, 304227), (77, 284472), (81, 270424), (84, 260766), (88, 248913), (99, 221256), (108, 202818), (126, 173844), (132, 165942), (154, 142236), (162, 135212), (168, 130383), (189, 115896), (198, 110628), (216, 101409), (231, 94824), (252, 86922), (264, 82971), (297, 73752), (308, 71118), (324, 67606), (378, 57948), (396, 55314), (439, 49896), (462, 47412), (504, 43461), (567, 38632), (594, 36876), (616, 35559), (648, 33803), (693, 31608), (756, 28974), (792, 27657), (878, 24948), (891, 24584), (924, 23706), (1134, 19316), (1188, 18438), (1317, 16632), (1386, 15804), (1512, 14487), (1756, 12474), (1782, 12292), (1848, 11853), (2079, 10536), (2268, 9658), (2376, 9219), (2634, 8316), (2772, 7902), (3073, 7128), (3512, 6237), (3564, 6146), (3951, 5544), (4158, 5268), (4536, 4829)]