21872016

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2267}}^1$

素因数の和:2348

約数の個数: 60

約数和(自身を含む): 62152272

約数和(自身を除く): 40280256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2267, 2412, 3216, 4534, 4824, 6801, 9068, 9648, 13602, 18136, 20403, 27204, 36272, 40806, 54408, 81612, 108816, 151889, 163224, 303778, 326448, 455667, 607556, 911334, 1215112, 1367001, 1822668, 2430224, 2734002, 3645336, 5468004, 7290672, 10936008, 21872016]

約数ペア:

[(1, 21872016), (2, 10936008), (3, 7290672), (4, 5468004), (6, 3645336), (8, 2734002), (9, 2430224), (12, 1822668), (16, 1367001), (18, 1215112), (24, 911334), (36, 607556), (48, 455667), (67, 326448), (72, 303778), (134, 163224), (144, 151889), (201, 108816), (268, 81612), (402, 54408), (536, 40806), (603, 36272), (804, 27204), (1072, 20403), (1206, 18136), (1608, 13602), (2267, 9648), (2412, 9068), (3216, 6801), (4534, 4824)]