21260904

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 62791200

約数和(自身を除く): 41530296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 101, 147, 168, 179, 196, 202, 294, 303, 358, 392, 404, 537, 588, 606, 707, 716, 808, 1074, 1176, 1212, 1253, 1414, 1432, 2121, 2148, 2424, 2506, 2828, 3759, 4242, 4296, 4949, 5012, 5656, 7518, 8484, 8771, 9898, 10024, 14847, 15036, 16968, 17542, 18079, 19796, 26313, 29694, 30072, 35084, 36158, 39592, 52626, 54237, 59388, 70168, 72316, 105252, 108474, 118776, 126553, 144632, 210504, 216948, 253106, 379659, 433896, 506212, 759318, 885871, 1012424, 1518636, 1771742, 2657613, 3037272, 3543484, 5315226, 7086968, 10630452, 21260904]

約数ペア:

[(1, 21260904), (2, 10630452), (3, 7086968), (4, 5315226), (6, 3543484), (7, 3037272), (8, 2657613), (12, 1771742), (14, 1518636), (21, 1012424), (24, 885871), (28, 759318), (42, 506212), (49, 433896), (56, 379659), (84, 253106), (98, 216948), (101, 210504), (147, 144632), (168, 126553), (179, 118776), (196, 108474), (202, 105252), (294, 72316), (303, 70168), (358, 59388), (392, 54237), (404, 52626), (537, 39592), (588, 36158), (606, 35084), (707, 30072), (716, 29694), (808, 26313), (1074, 19796), (1176, 18079), (1212, 17542), (1253, 16968), (1414, 15036), (1432, 14847), (2121, 10024), (2148, 9898), (2424, 8771), (2506, 8484), (2828, 7518), (3759, 5656), (4242, 5012), (4296, 4949)]