21978444

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 31647156

約数列:

[1, 2, 3, 4, 6, 12, 37, 59, 74, 111, 118, 148, 177, 222, 236, 354, 444, 708, 839, 1678, 2183, 2517, 3356, 4366, 5034, 6549, 8732, 10068, 13098, 26196, 31043, 49501, 62086, 93129, 99002, 124172, 148503, 186258, 198004, 297006, 372516, 594012, 1831537, 3663074, 5494611, 7326148, 10989222, 21978444]

約数ペア:

[(1, 21978444), (2, 10989222), (3, 7326148), (4, 5494611), (6, 3663074), (12, 1831537), (37, 594012), (59, 372516), (74, 297006), (111, 198004), (118, 186258), (148, 148503), (177, 124172), (222, 99002), (236, 93129), (354, 62086), (444, 49501), (708, 31043), (839, 26196), (1678, 13098), (2183, 10068), (2517, 8732), (3356, 6549), (4366, 5034)]