21136749056

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{18911}}^1$

素因数の和:19025

約数の個数: 80

約数和(自身を含む): 44111105280

約数和(自身を除く): 22974356224

約数列:

[1, 2, 4, 8, 16, 32, 37, 59, 64, 74, 118, 128, 148, 236, 256, 296, 472, 512, 592, 944, 1184, 1888, 2183, 2368, 3776, 4366, 4736, 7552, 8732, 9472, 15104, 17464, 18911, 18944, 30208, 34928, 37822, 69856, 75644, 139712, 151288, 279424, 302576, 558848, 605152, 699707, 1115749, 1117696, 1210304, 1399414, 2231498, 2420608, 2798828, 4462996, 4841216, 5597656, 8925992, 9682432, 11195312, 17851984, 22390624, 35703968, 41282713, 44781248, 71407936, 82565426, 89562496, 142815872, 165130852, 179124992, 285631744, 330261704, 358249984, 571263488, 660523408, 1321046816, 2642093632, 5284187264, 10568374528, 21136749056]

約数ペア:

[(1, 21136749056), (2, 10568374528), (4, 5284187264), (8, 2642093632), (16, 1321046816), (32, 660523408), (37, 571263488), (59, 358249984), (64, 330261704), (74, 285631744), (118, 179124992), (128, 165130852), (148, 142815872), (236, 89562496), (256, 82565426), (296, 71407936), (472, 44781248), (512, 41282713), (592, 35703968), (944, 22390624), (1184, 17851984), (1888, 11195312), (2183, 9682432), (2368, 8925992), (3776, 5597656), (4366, 4841216), (4736, 4462996), (7552, 2798828), (8732, 2420608), (9472, 2231498), (15104, 1399414), (17464, 1210304), (18911, 1117696), (18944, 1115749), (30208, 699707), (34928, 605152), (37822, 558848), (69856, 302576), (75644, 279424), (139712, 151288)]