21133860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 67568256

約数和(自身を除く): 46434396

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 71, 82, 110, 121, 123, 132, 142, 164, 165, 205, 213, 220, 242, 246, 284, 330, 355, 363, 410, 426, 451, 484, 492, 605, 615, 660, 710, 726, 781, 820, 852, 902, 1065, 1210, 1230, 1353, 1420, 1452, 1562, 1804, 1815, 2130, 2255, 2343, 2420, 2460, 2706, 2911, 3124, 3630, 3905, 4260, 4510, 4686, 4961, 5412, 5822, 6765, 7260, 7810, 8591, 8733, 9020, 9372, 9922, 11644, 11715, 13530, 14555, 14883, 15620, 17182, 17466, 19844, 23430, 24805, 25773, 27060, 29110, 29766, 32021, 34364, 34932, 42955, 43665, 46860, 49610, 51546, 58220, 59532, 64042, 74415, 85910, 87330, 96063, 99220, 103092, 128084, 128865, 148830, 160105, 171820, 174660, 192126, 257730, 297660, 320210, 352231, 384252, 480315, 515460, 640420, 704462, 960630, 1056693, 1408924, 1761155, 1921260, 2113386, 3522310, 4226772, 5283465, 7044620, 10566930, 21133860]

約数ペア:

[(1, 21133860), (2, 10566930), (3, 7044620), (4, 5283465), (5, 4226772), (6, 3522310), (10, 2113386), (11, 1921260), (12, 1761155), (15, 1408924), (20, 1056693), (22, 960630), (30, 704462), (33, 640420), (41, 515460), (44, 480315), (55, 384252), (60, 352231), (66, 320210), (71, 297660), (82, 257730), (110, 192126), (121, 174660), (123, 171820), (132, 160105), (142, 148830), (164, 128865), (165, 128084), (205, 103092), (213, 99220), (220, 96063), (242, 87330), (246, 85910), (284, 74415), (330, 64042), (355, 59532), (363, 58220), (410, 51546), (426, 49610), (451, 46860), (484, 43665), (492, 42955), (605, 34932), (615, 34364), (660, 32021), (710, 29766), (726, 29110), (781, 27060), (820, 25773), (852, 24805), (902, 23430), (1065, 19844), (1210, 17466), (1230, 17182), (1353, 15620), (1420, 14883), (1452, 14555), (1562, 13530), (1804, 11715), (1815, 11644), (2130, 9922), (2255, 9372), (2343, 9020), (2420, 8733), (2460, 8591), (2706, 7810), (2911, 7260), (3124, 6765), (3630, 5822), (3905, 5412), (4260, 4961), (4510, 4686)]