21571862988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{3889}}^1$

素因数の和:4008

約数の個数: 144

約数和(自身を含む): 57539821920

約数和(自身を除く): 35967958932

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 37, 39, 52, 62, 74, 78, 93, 111, 124, 148, 156, 186, 222, 372, 403, 444, 481, 806, 961, 962, 1147, 1209, 1443, 1612, 1922, 1924, 2294, 2418, 2883, 2886, 3441, 3844, 3889, 4588, 4836, 5766, 5772, 6882, 7778, 11532, 11667, 12493, 13764, 14911, 15556, 23334, 24986, 29822, 35557, 37479, 44733, 46668, 49972, 50557, 59644, 71114, 74958, 89466, 101114, 106671, 120559, 142228, 143893, 149916, 151671, 178932, 202228, 213342, 241118, 287786, 303342, 361677, 426684, 431679, 462241, 482236, 575572, 606684, 723354, 863358, 924482, 1386723, 1446708, 1567267, 1726716, 1848964, 1870609, 2773446, 3134534, 3737329, 3741218, 4460683, 4701801, 5546892, 5611827, 6269068, 7474658, 7482436, 8921366, 9403602, 11211987, 11223654, 13382049, 14949316, 17842732, 18807204, 22423974, 22447308, 26764098, 44847948, 48585277, 53528196, 57988879, 97170554, 115977758, 138281173, 145755831, 173966637, 194341108, 231955516, 276562346, 291511662, 347933274, 414843519, 553124692, 583023324, 695866548, 829687038, 1659374076, 1797655249, 3595310498, 5392965747, 7190620996, 10785931494, 21571862988]

約数ペア:

[(1, 21571862988), (2, 10785931494), (3, 7190620996), (4, 5392965747), (6, 3595310498), (12, 1797655249), (13, 1659374076), (26, 829687038), (31, 695866548), (37, 583023324), (39, 553124692), (52, 414843519), (62, 347933274), (74, 291511662), (78, 276562346), (93, 231955516), (111, 194341108), (124, 173966637), (148, 145755831), (156, 138281173), (186, 115977758), (222, 97170554), (372, 57988879), (403, 53528196), (444, 48585277), (481, 44847948), (806, 26764098), (961, 22447308), (962, 22423974), (1147, 18807204), (1209, 17842732), (1443, 14949316), (1612, 13382049), (1922, 11223654), (1924, 11211987), (2294, 9403602), (2418, 8921366), (2883, 7482436), (2886, 7474658), (3441, 6269068), (3844, 5611827), (3889, 5546892), (4588, 4701801), (4836, 4460683), (5766, 3741218), (5772, 3737329), (6882, 3134534), (7778, 2773446), (11532, 1870609), (11667, 1848964), (12493, 1726716), (13764, 1567267), (14911, 1446708), (15556, 1386723), (23334, 924482), (24986, 863358), (29822, 723354), (35557, 606684), (37479, 575572), (44733, 482236), (46668, 462241), (49972, 431679), (50557, 426684), (59644, 361677), (71114, 303342), (74958, 287786), (89466, 241118), (101114, 213342), (106671, 202228), (120559, 178932), (142228, 151671), (143893, 149916)]