21900160

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 64

約数和(自身を含む): 55141200

約数和(自身を除く): 33241040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 1801, 2432, 3040, 3602, 6080, 7204, 9005, 12160, 14408, 18010, 28816, 34219, 36020, 57632, 68438, 72040, 115264, 136876, 144080, 171095, 230528, 273752, 288160, 342190, 547504, 576320, 684380, 1095008, 1152640, 1368760, 2190016, 2737520, 4380032, 5475040, 10950080, 21900160]

約数ペア:

[(1, 21900160), (2, 10950080), (4, 5475040), (5, 4380032), (8, 2737520), (10, 2190016), (16, 1368760), (19, 1152640), (20, 1095008), (32, 684380), (38, 576320), (40, 547504), (64, 342190), (76, 288160), (80, 273752), (95, 230528), (128, 171095), (152, 144080), (160, 136876), (190, 115264), (304, 72040), (320, 68438), (380, 57632), (608, 36020), (640, 34219), (760, 28816), (1216, 18010), (1520, 14408), (1801, 12160), (2432, 9005), (3040, 7204), (3602, 6080)]