21582100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 50795360

約数和(自身を除く): 29213260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 307, 370, 380, 475, 614, 703, 740, 925, 950, 1228, 1406, 1535, 1850, 1900, 2812, 3070, 3515, 3700, 5833, 6140, 7030, 7675, 11359, 11666, 14060, 15350, 17575, 22718, 23332, 29165, 30700, 35150, 45436, 56795, 58330, 70300, 113590, 116660, 145825, 215821, 227180, 283975, 291650, 431642, 567950, 583300, 863284, 1079105, 1135900, 2158210, 4316420, 5395525, 10791050, 21582100]

約数ペア:

[(1, 21582100), (2, 10791050), (4, 5395525), (5, 4316420), (10, 2158210), (19, 1135900), (20, 1079105), (25, 863284), (37, 583300), (38, 567950), (50, 431642), (74, 291650), (76, 283975), (95, 227180), (100, 215821), (148, 145825), (185, 116660), (190, 113590), (307, 70300), (370, 58330), (380, 56795), (475, 45436), (614, 35150), (703, 30700), (740, 29165), (925, 23332), (950, 22718), (1228, 17575), (1406, 15350), (1535, 14060), (1850, 11666), (1900, 11359), (2812, 7675), (3070, 7030), (3515, 6140), (3700, 5833)]