21090175560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3083359}}^1$

素因数の和:3083395

約数の個数: 96

約数和(自身を含む): 72150624000

約数和(自身を除く): 51060448440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 3083359, 6166718, 9250077, 12333436, 15416795, 18500154, 24666872, 27750231, 30833590, 37000308, 46250385, 55500462, 58583821, 61667180, 74000616, 92500770, 111000924, 117167642, 123334360, 138751155, 175751463, 185001540, 222001848, 234335284, 277502310, 292919105, 351502926, 370003080, 468670568, 527254389, 555004620, 585838210, 703005852, 878757315, 1054508778, 1110009240, 1171676420, 1406011704, 1757514630, 2109017556, 2343352840, 2636271945, 3515029260, 4218035112, 5272543890, 7030058520, 10545087780, 21090175560]

約数ペア:

[(1, 21090175560), (2, 10545087780), (3, 7030058520), (4, 5272543890), (5, 4218035112), (6, 3515029260), (8, 2636271945), (9, 2343352840), (10, 2109017556), (12, 1757514630), (15, 1406011704), (18, 1171676420), (19, 1110009240), (20, 1054508778), (24, 878757315), (30, 703005852), (36, 585838210), (38, 555004620), (40, 527254389), (45, 468670568), (57, 370003080), (60, 351502926), (72, 292919105), (76, 277502310), (90, 234335284), (95, 222001848), (114, 185001540), (120, 175751463), (152, 138751155), (171, 123334360), (180, 117167642), (190, 111000924), (228, 92500770), (285, 74000616), (342, 61667180), (360, 58583821), (380, 55500462), (456, 46250385), (570, 37000308), (684, 30833590), (760, 27750231), (855, 24666872), (1140, 18500154), (1368, 15416795), (1710, 12333436), (2280, 9250077), (3420, 6166718), (6840, 3083359)]