21193669848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{258283}}^1$

素因数の和:258568

約数の個数: 64

約数和(自身を含む): 57277059840

約数和(自身を除く): 36083389992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 263, 312, 526, 789, 1052, 1578, 2104, 3156, 3419, 6312, 6838, 10257, 13676, 20514, 27352, 41028, 82056, 258283, 516566, 774849, 1033132, 1549698, 2066264, 3099396, 3357679, 6198792, 6715358, 10073037, 13430716, 20146074, 26861432, 40292148, 67928429, 80584296, 135856858, 203785287, 271713716, 407570574, 543427432, 815141148, 883069577, 1630282296, 1766139154, 2649208731, 3532278308, 5298417462, 7064556616, 10596834924, 21193669848]

約数ペア:

[(1, 21193669848), (2, 10596834924), (3, 7064556616), (4, 5298417462), (6, 3532278308), (8, 2649208731), (12, 1766139154), (13, 1630282296), (24, 883069577), (26, 815141148), (39, 543427432), (52, 407570574), (78, 271713716), (104, 203785287), (156, 135856858), (263, 80584296), (312, 67928429), (526, 40292148), (789, 26861432), (1052, 20146074), (1578, 13430716), (2104, 10073037), (3156, 6715358), (3419, 6198792), (6312, 3357679), (6838, 3099396), (10257, 2066264), (13676, 1549698), (20514, 1033132), (27352, 774849), (41028, 516566), (82056, 258283)]