21199440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4649}}^1$

素因数の和:4684

約数の個数: 80

約数和(自身を含む): 69192000

約数和(自身を除く): 47992560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4649, 9298, 13947, 18596, 23245, 27894, 37192, 46490, 55788, 69735, 74384, 88331, 92980, 111576, 139470, 176662, 185960, 223152, 264993, 278940, 353324, 371920, 441655, 529986, 557880, 706648, 883310, 1059972, 1115760, 1324965, 1413296, 1766620, 2119944, 2649930, 3533240, 4239888, 5299860, 7066480, 10599720, 21199440]

約数ペア:

[(1, 21199440), (2, 10599720), (3, 7066480), (4, 5299860), (5, 4239888), (6, 3533240), (8, 2649930), (10, 2119944), (12, 1766620), (15, 1413296), (16, 1324965), (19, 1115760), (20, 1059972), (24, 883310), (30, 706648), (38, 557880), (40, 529986), (48, 441655), (57, 371920), (60, 353324), (76, 278940), (80, 264993), (95, 223152), (114, 185960), (120, 176662), (152, 139470), (190, 111576), (228, 92980), (240, 88331), (285, 74384), (304, 69735), (380, 55788), (456, 46490), (570, 37192), (760, 27894), (912, 23245), (1140, 18596), (1520, 13947), (2280, 9298), (4560, 4649)]