21788008440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{402587}}^1$

素因数の和:402653

約数の個数: 128

約数和(自身を含む): 73045566720

約数和(自身を除く): 51257558280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 615, 660, 820, 902, 984, 1230, 1320, 1353, 1640, 1804, 2255, 2460, 2706, 3608, 4510, 4920, 5412, 6765, 9020, 10824, 13530, 18040, 27060, 54120, 402587, 805174, 1207761, 1610348, 2012935, 2415522, 3220696, 4025870, 4428457, 4831044, 6038805, 8051740, 8856914, 9662088, 12077610, 13285371, 16103480, 16506067, 17713828, 22142285, 24155220, 26570742, 33012134, 35427656, 44284570, 48310440, 49518201, 53141484, 66024268, 66426855, 82530335, 88569140, 99036402, 106282968, 132048536, 132853710, 165060670, 177138280, 181566737, 198072804, 247591005, 265707420, 330121340, 363133474, 396145608, 495182010, 531414840, 544700211, 660242680, 726266948, 907833685, 990364020, 1089400422, 1452533896, 1815667370, 1980728040, 2178800844, 2723501055, 3631334740, 4357601688, 5447002110, 7262669480, 10894004220, 21788008440]

約数ペア:

[(1, 21788008440), (2, 10894004220), (3, 7262669480), (4, 5447002110), (5, 4357601688), (6, 3631334740), (8, 2723501055), (10, 2178800844), (11, 1980728040), (12, 1815667370), (15, 1452533896), (20, 1089400422), (22, 990364020), (24, 907833685), (30, 726266948), (33, 660242680), (40, 544700211), (41, 531414840), (44, 495182010), (55, 396145608), (60, 363133474), (66, 330121340), (82, 265707420), (88, 247591005), (110, 198072804), (120, 181566737), (123, 177138280), (132, 165060670), (164, 132853710), (165, 132048536), (205, 106282968), (220, 99036402), (246, 88569140), (264, 82530335), (328, 66426855), (330, 66024268), (410, 53141484), (440, 49518201), (451, 48310440), (492, 44284570), (615, 35427656), (660, 33012134), (820, 26570742), (902, 24155220), (984, 22142285), (1230, 17713828), (1320, 16506067), (1353, 16103480), (1640, 13285371), (1804, 12077610), (2255, 9662088), (2460, 8856914), (2706, 8051740), (3608, 6038805), (4510, 4831044), (4920, 4428457), (5412, 4025870), (6765, 3220696), (9020, 2415522), (10824, 2012935), (13530, 1610348), (18040, 1207761), (27060, 805174), (54120, 402587)]