21204936

素因数分解:

$2^3\times 3^3\times {\mathrm{127}}^1\times {\mathrm{773}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 59443200

約数和(自身を除く): 38238264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 127, 216, 254, 381, 508, 762, 773, 1016, 1143, 1524, 1546, 2286, 2319, 3048, 3092, 3429, 4572, 4638, 6184, 6858, 6957, 9144, 9276, 13716, 13914, 18552, 20871, 27432, 27828, 41742, 55656, 83484, 98171, 166968, 196342, 294513, 392684, 589026, 785368, 883539, 1178052, 1767078, 2356104, 2650617, 3534156, 5301234, 7068312, 10602468, 21204936]

約数ペア:

[(1, 21204936), (2, 10602468), (3, 7068312), (4, 5301234), (6, 3534156), (8, 2650617), (9, 2356104), (12, 1767078), (18, 1178052), (24, 883539), (27, 785368), (36, 589026), (54, 392684), (72, 294513), (108, 196342), (127, 166968), (216, 98171), (254, 83484), (381, 55656), (508, 41742), (762, 27828), (773, 27432), (1016, 20871), (1143, 18552), (1524, 13914), (1546, 13716), (2286, 9276), (2319, 9144), (3048, 6957), (3092, 6858), (3429, 6184), (4572, 4638)]