21935880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1108

約数の個数: 128

約数和(自身を含む): 77040000

約数和(自身を除く): 55104120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1069, 1080, 1140, 1368, 1710, 2052, 2138, 2280, 2565, 3207, 3420, 4104, 4276, 5130, 5345, 6414, 6840, 8552, 9621, 10260, 10690, 12828, 16035, 19242, 20311, 20520, 21380, 25656, 28863, 32070, 38484, 40622, 42760, 48105, 57726, 60933, 64140, 76968, 81244, 96210, 101555, 115452, 121866, 128280, 144315, 162488, 182799, 192420, 203110, 230904, 243732, 288630, 304665, 365598, 384840, 406220, 487464, 548397, 577260, 609330, 731196, 812440, 913995, 1096794, 1154520, 1218660, 1462392, 1827990, 2193588, 2437320, 2741985, 3655980, 4387176, 5483970, 7311960, 10967940, 21935880]

約数ペア:

[(1, 21935880), (2, 10967940), (3, 7311960), (4, 5483970), (5, 4387176), (6, 3655980), (8, 2741985), (9, 2437320), (10, 2193588), (12, 1827990), (15, 1462392), (18, 1218660), (19, 1154520), (20, 1096794), (24, 913995), (27, 812440), (30, 731196), (36, 609330), (38, 577260), (40, 548397), (45, 487464), (54, 406220), (57, 384840), (60, 365598), (72, 304665), (76, 288630), (90, 243732), (95, 230904), (108, 203110), (114, 192420), (120, 182799), (135, 162488), (152, 144315), (171, 128280), (180, 121866), (190, 115452), (216, 101555), (228, 96210), (270, 81244), (285, 76968), (342, 64140), (360, 60933), (380, 57726), (456, 48105), (513, 42760), (540, 40622), (570, 38484), (684, 32070), (760, 28863), (855, 25656), (1026, 21380), (1069, 20520), (1080, 20311), (1140, 19242), (1368, 16035), (1710, 12828), (2052, 10690), (2138, 10260), (2280, 9621), (2565, 8552), (3207, 6840), (3420, 6414), (4104, 5345), (4276, 5130)]