21919872

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4391}}^1$

素因数の和:4421

約数の個数: 64

約数和(自身を含む): 62717760

約数和(自身を除く): 40797888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4391, 4992, 8782, 13173, 17564, 26346, 35128, 52692, 57083, 70256, 105384, 114166, 140512, 171249, 210768, 228332, 281024, 342498, 421536, 456664, 562048, 684996, 843072, 913328, 1369992, 1686144, 1826656, 2739984, 3653312, 5479968, 7306624, 10959936, 21919872]

約数ペア:

[(1, 21919872), (2, 10959936), (3, 7306624), (4, 5479968), (6, 3653312), (8, 2739984), (12, 1826656), (13, 1686144), (16, 1369992), (24, 913328), (26, 843072), (32, 684996), (39, 562048), (48, 456664), (52, 421536), (64, 342498), (78, 281024), (96, 228332), (104, 210768), (128, 171249), (156, 140512), (192, 114166), (208, 105384), (312, 70256), (384, 57083), (416, 52692), (624, 35128), (832, 26346), (1248, 17564), (1664, 13173), (2496, 8782), (4391, 4992)]