21000478050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{436147}}^1$

素因数の和:436272

約数の個数: 72

約数和(自身を含む): 56948716656

約数和(自身を除く): 35948238606

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 107, 150, 214, 225, 321, 450, 535, 642, 963, 1070, 1605, 1926, 2675, 3210, 4815, 5350, 8025, 9630, 16050, 24075, 48150, 436147, 872294, 1308441, 2180735, 2616882, 3925323, 4361470, 6542205, 7850646, 10903675, 13084410, 19626615, 21807350, 32711025, 39253230, 46667729, 65422050, 93335458, 98133075, 140003187, 196266150, 233338645, 280006374, 420009561, 466677290, 700015935, 840019122, 1166693225, 1400031870, 2100047805, 2333386450, 3500079675, 4200095610, 7000159350, 10500239025, 21000478050]

約数ペア:

[(1, 21000478050), (2, 10500239025), (3, 7000159350), (5, 4200095610), (6, 3500079675), (9, 2333386450), (10, 2100047805), (15, 1400031870), (18, 1166693225), (25, 840019122), (30, 700015935), (45, 466677290), (50, 420009561), (75, 280006374), (90, 233338645), (107, 196266150), (150, 140003187), (214, 98133075), (225, 93335458), (321, 65422050), (450, 46667729), (535, 39253230), (642, 32711025), (963, 21807350), (1070, 19626615), (1605, 13084410), (1926, 10903675), (2675, 7850646), (3210, 6542205), (4815, 4361470), (5350, 3925323), (8025, 2616882), (9630, 2180735), (16050, 1308441), (24075, 872294), (48150, 436147)]