21726250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 80

約数和(自身を含む): 50383872

約数和(自身を除く): 28657622

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 191, 250, 325, 350, 382, 455, 625, 650, 875, 910, 955, 1250, 1337, 1625, 1750, 1910, 2275, 2483, 2674, 3250, 4375, 4550, 4775, 4966, 6685, 8125, 8750, 9550, 11375, 12415, 13370, 16250, 17381, 22750, 23875, 24830, 33425, 34762, 47750, 56875, 62075, 66850, 86905, 113750, 119375, 124150, 167125, 173810, 238750, 310375, 334250, 434525, 620750, 835625, 869050, 1551875, 1671250, 2172625, 3103750, 4345250, 10863125, 21726250]

約数ペア:

[(1, 21726250), (2, 10863125), (5, 4345250), (7, 3103750), (10, 2172625), (13, 1671250), (14, 1551875), (25, 869050), (26, 835625), (35, 620750), (50, 434525), (65, 334250), (70, 310375), (91, 238750), (125, 173810), (130, 167125), (175, 124150), (182, 119375), (191, 113750), (250, 86905), (325, 66850), (350, 62075), (382, 56875), (455, 47750), (625, 34762), (650, 33425), (875, 24830), (910, 23875), (955, 22750), (1250, 17381), (1337, 16250), (1625, 13370), (1750, 12415), (1910, 11375), (2275, 9550), (2483, 8750), (2674, 8125), (3250, 6685), (4375, 4966), (4550, 4775)]