21795660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6373}}^1$

素因数の和:6407

約数の個数: 72

約数和(自身を含む): 69604080

約数和(自身を除く): 47808420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6373, 12746, 19119, 25492, 31865, 38238, 57357, 63730, 76476, 95595, 114714, 121087, 127460, 191190, 229428, 242174, 286785, 363261, 382380, 484348, 573570, 605435, 726522, 1089783, 1147140, 1210870, 1453044, 1816305, 2179566, 2421740, 3632610, 4359132, 5448915, 7265220, 10897830, 21795660]

約数ペア:

[(1, 21795660), (2, 10897830), (3, 7265220), (4, 5448915), (5, 4359132), (6, 3632610), (9, 2421740), (10, 2179566), (12, 1816305), (15, 1453044), (18, 1210870), (19, 1147140), (20, 1089783), (30, 726522), (36, 605435), (38, 573570), (45, 484348), (57, 382380), (60, 363261), (76, 286785), (90, 242174), (95, 229428), (114, 191190), (171, 127460), (180, 121087), (190, 114714), (228, 95595), (285, 76476), (342, 63730), (380, 57357), (570, 38238), (684, 31865), (855, 25492), (1140, 19119), (1710, 12746), (3420, 6373)]