21069408

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 58296672

約数和(自身を除く): 37227264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 53, 82, 96, 101, 106, 123, 159, 164, 202, 212, 246, 303, 318, 328, 404, 424, 492, 606, 636, 656, 808, 848, 984, 1212, 1272, 1312, 1616, 1696, 1968, 2173, 2424, 2544, 3232, 3936, 4141, 4346, 4848, 5088, 5353, 6519, 8282, 8692, 9696, 10706, 12423, 13038, 16059, 16564, 17384, 21412, 24846, 26076, 32118, 33128, 34768, 42824, 49692, 52152, 64236, 66256, 69536, 85648, 99384, 104304, 128472, 132512, 171296, 198768, 208608, 219473, 256944, 397536, 438946, 513888, 658419, 877892, 1316838, 1755784, 2633676, 3511568, 5267352, 7023136, 10534704, 21069408]

約数ペア:

[(1, 21069408), (2, 10534704), (3, 7023136), (4, 5267352), (6, 3511568), (8, 2633676), (12, 1755784), (16, 1316838), (24, 877892), (32, 658419), (41, 513888), (48, 438946), (53, 397536), (82, 256944), (96, 219473), (101, 208608), (106, 198768), (123, 171296), (159, 132512), (164, 128472), (202, 104304), (212, 99384), (246, 85648), (303, 69536), (318, 66256), (328, 64236), (404, 52152), (424, 49692), (492, 42824), (606, 34768), (636, 33128), (656, 32118), (808, 26076), (848, 24846), (984, 21412), (1212, 17384), (1272, 16564), (1312, 16059), (1616, 13038), (1696, 12423), (1968, 10706), (2173, 9696), (2424, 8692), (2544, 8282), (3232, 6519), (3936, 5353), (4141, 5088), (4346, 4848)]