21634743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 11266377

約数列:

[1, 3, 13, 23, 39, 69, 89, 267, 271, 299, 813, 897, 1157, 2047, 3471, 3523, 6141, 6233, 10569, 18699, 24119, 26611, 72357, 79833, 81029, 243087, 313547, 554737, 940641, 1664211, 7211581, 21634743]

約数ペア:

[(1, 21634743), (3, 7211581), (13, 1664211), (23, 940641), (39, 554737), (69, 313547), (89, 243087), (267, 81029), (271, 79833), (299, 72357), (813, 26611), (897, 24119), (1157, 18699), (2047, 10569), (3471, 6233), (3523, 6141)]