21097578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^3$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 46860480

約数和(自身を除く): 25762902

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 289, 391, 529, 578, 782, 867, 1058, 1173, 1587, 1734, 2346, 3174, 6647, 8993, 12167, 13294, 17986, 19941, 24334, 26979, 36501, 39882, 53958, 73002, 152881, 206839, 305762, 413678, 458643, 620517, 917286, 1241034, 3516263, 7032526, 10548789, 21097578]

約数ペア:

[(1, 21097578), (2, 10548789), (3, 7032526), (6, 3516263), (17, 1241034), (23, 917286), (34, 620517), (46, 458643), (51, 413678), (69, 305762), (102, 206839), (138, 152881), (289, 73002), (391, 53958), (529, 39882), (578, 36501), (782, 26979), (867, 24334), (1058, 19941), (1173, 17986), (1587, 13294), (1734, 12167), (2346, 8993), (3174, 6647)]