21958655360

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{836839}}^1$

素因数の和:836899

約数の個数: 64

約数和(自身を含む): 53775338400

約数和(自身を除く): 31816683040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3280, 5248, 6560, 13120, 26240, 836839, 1673678, 3347356, 4184195, 6694712, 8368390, 13389424, 16736780, 26778848, 33473560, 34310399, 53557696, 66947120, 68620798, 107115392, 133894240, 137241596, 171551995, 267788480, 274483192, 343103990, 535576960, 548966384, 686207980, 1097932768, 1372415960, 2195865536, 2744831920, 4391731072, 5489663840, 10979327680, 21958655360]

約数ペア:

[(1, 21958655360), (2, 10979327680), (4, 5489663840), (5, 4391731072), (8, 2744831920), (10, 2195865536), (16, 1372415960), (20, 1097932768), (32, 686207980), (40, 548966384), (41, 535576960), (64, 343103990), (80, 274483192), (82, 267788480), (128, 171551995), (160, 137241596), (164, 133894240), (205, 107115392), (320, 68620798), (328, 66947120), (410, 53557696), (640, 34310399), (656, 33473560), (820, 26778848), (1312, 16736780), (1640, 13389424), (2624, 8368390), (3280, 6694712), (5248, 4184195), (6560, 3347356), (13120, 1673678), (26240, 836839)]