21719736

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15877}}^1$

素因数の和:15908

約数の個数: 48

約数和(自身を含む): 61924200

約数和(自身を除く): 40204464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15877, 31754, 47631, 63508, 95262, 127016, 142893, 190524, 285786, 301663, 381048, 571572, 603326, 904989, 1143144, 1206652, 1809978, 2413304, 2714967, 3619956, 5429934, 7239912, 10859868, 21719736]

約数ペア:

[(1, 21719736), (2, 10859868), (3, 7239912), (4, 5429934), (6, 3619956), (8, 2714967), (9, 2413304), (12, 1809978), (18, 1206652), (19, 1143144), (24, 904989), (36, 603326), (38, 571572), (57, 381048), (72, 301663), (76, 285786), (114, 190524), (152, 142893), (171, 127016), (228, 95262), (342, 63508), (456, 47631), (684, 31754), (1368, 15877)]