21677670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1850

約数の個数: 96

約数和(自身を含む): 67841280

約数和(自身を除く): 46163610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1811, 1995, 2394, 3622, 3990, 5433, 5985, 9055, 10866, 11970, 12677, 16299, 18110, 25354, 27165, 32598, 34409, 38031, 54330, 63385, 68818, 76062, 81495, 103227, 114093, 126770, 162990, 172045, 190155, 206454, 228186, 240863, 309681, 344090, 380310, 481726, 516135, 570465, 619362, 722589, 1032270, 1140930, 1204315, 1445178, 1548405, 2167767, 2408630, 3096810, 3612945, 4335534, 7225890, 10838835, 21677670]

約数ペア:

[(1, 21677670), (2, 10838835), (3, 7225890), (5, 4335534), (6, 3612945), (7, 3096810), (9, 2408630), (10, 2167767), (14, 1548405), (15, 1445178), (18, 1204315), (19, 1140930), (21, 1032270), (30, 722589), (35, 619362), (38, 570465), (42, 516135), (45, 481726), (57, 380310), (63, 344090), (70, 309681), (90, 240863), (95, 228186), (105, 206454), (114, 190155), (126, 172045), (133, 162990), (171, 126770), (190, 114093), (210, 103227), (266, 81495), (285, 76062), (315, 68818), (342, 63385), (399, 54330), (570, 38031), (630, 34409), (665, 32598), (798, 27165), (855, 25354), (1197, 18110), (1330, 16299), (1710, 12677), (1811, 11970), (1995, 10866), (2394, 9055), (3622, 5985), (3990, 5433)]