21063144

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 33679896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 71, 94, 141, 142, 188, 213, 263, 282, 284, 376, 426, 526, 564, 568, 789, 852, 1052, 1128, 1578, 1704, 2104, 3156, 3337, 6312, 6674, 10011, 12361, 13348, 18673, 20022, 24722, 26696, 37083, 37346, 40044, 49444, 56019, 74166, 74692, 80088, 98888, 112038, 148332, 149384, 224076, 296664, 448152, 877631, 1755262, 2632893, 3510524, 5265786, 7021048, 10531572, 21063144]

約数ペア:

[(1, 21063144), (2, 10531572), (3, 7021048), (4, 5265786), (6, 3510524), (8, 2632893), (12, 1755262), (24, 877631), (47, 448152), (71, 296664), (94, 224076), (141, 149384), (142, 148332), (188, 112038), (213, 98888), (263, 80088), (282, 74692), (284, 74166), (376, 56019), (426, 49444), (526, 40044), (564, 37346), (568, 37083), (789, 26696), (852, 24722), (1052, 20022), (1128, 18673), (1578, 13348), (1704, 12361), (2104, 10011), (3156, 6674), (3337, 6312)]