21083345532

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{190331}}^1$

素因数の和:190539

約数の個数: 72

約数和(自身を含む): 56741014512

約数和(自身を除く): 35657668980

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 181, 204, 306, 362, 543, 612, 724, 1086, 1629, 2172, 3077, 3258, 6154, 6516, 9231, 12308, 18462, 27693, 36924, 55386, 110772, 190331, 380662, 570993, 761324, 1141986, 1712979, 2283972, 3235627, 3425958, 6471254, 6851916, 9706881, 12942508, 19413762, 29120643, 34449911, 38827524, 58241286, 68899822, 103349733, 116482572, 137799644, 206699466, 310049199, 413398932, 585648487, 620098398, 1171296974, 1240196796, 1756945461, 2342593948, 3513890922, 5270836383, 7027781844, 10541672766, 21083345532]

約数ペア:

[(1, 21083345532), (2, 10541672766), (3, 7027781844), (4, 5270836383), (6, 3513890922), (9, 2342593948), (12, 1756945461), (17, 1240196796), (18, 1171296974), (34, 620098398), (36, 585648487), (51, 413398932), (68, 310049199), (102, 206699466), (153, 137799644), (181, 116482572), (204, 103349733), (306, 68899822), (362, 58241286), (543, 38827524), (612, 34449911), (724, 29120643), (1086, 19413762), (1629, 12942508), (2172, 9706881), (3077, 6851916), (3258, 6471254), (6154, 3425958), (6516, 3235627), (9231, 2283972), (12308, 1712979), (18462, 1141986), (27693, 761324), (36924, 570993), (55386, 380662), (110772, 190331)]