21701440

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{929}}^1$

素因数の和:1019

約数の個数: 56

約数和(自身を含む): 52440840

約数和(自身を除く): 30739400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 730, 929, 1168, 1460, 1858, 2336, 2920, 3716, 4645, 4672, 5840, 7432, 9290, 11680, 14864, 18580, 23360, 29728, 37160, 59456, 67817, 74320, 135634, 148640, 271268, 297280, 339085, 542536, 678170, 1085072, 1356340, 2170144, 2712680, 4340288, 5425360, 10850720, 21701440]

約数ペア:

[(1, 21701440), (2, 10850720), (4, 5425360), (5, 4340288), (8, 2712680), (10, 2170144), (16, 1356340), (20, 1085072), (32, 678170), (40, 542536), (64, 339085), (73, 297280), (80, 271268), (146, 148640), (160, 135634), (292, 74320), (320, 67817), (365, 59456), (584, 37160), (730, 29728), (929, 23360), (1168, 18580), (1460, 14864), (1858, 11680), (2336, 9290), (2920, 7432), (3716, 5840), (4645, 4672)]