21862750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 52049088

約数和(自身を除く): 30186338

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 50, 62, 65, 70, 91, 125, 130, 155, 175, 182, 217, 250, 310, 325, 350, 403, 434, 455, 650, 775, 806, 875, 910, 961, 1085, 1550, 1625, 1750, 1922, 2015, 2170, 2275, 2821, 3250, 3875, 4030, 4550, 4805, 5425, 5642, 6727, 7750, 9610, 10075, 10850, 11375, 12493, 13454, 14105, 20150, 22750, 24025, 24986, 27125, 28210, 33635, 48050, 50375, 54250, 62465, 67270, 70525, 87451, 100750, 120125, 124930, 141050, 168175, 174902, 240250, 312325, 336350, 352625, 437255, 624650, 705250, 840875, 874510, 1561625, 1681750, 2186275, 3123250, 4372550, 10931375, 21862750]

約数ペア:

[(1, 21862750), (2, 10931375), (5, 4372550), (7, 3123250), (10, 2186275), (13, 1681750), (14, 1561625), (25, 874510), (26, 840875), (31, 705250), (35, 624650), (50, 437255), (62, 352625), (65, 336350), (70, 312325), (91, 240250), (125, 174902), (130, 168175), (155, 141050), (175, 124930), (182, 120125), (217, 100750), (250, 87451), (310, 70525), (325, 67270), (350, 62465), (403, 54250), (434, 50375), (455, 48050), (650, 33635), (775, 28210), (806, 27125), (875, 24986), (910, 24025), (961, 22750), (1085, 20150), (1550, 14105), (1625, 13454), (1750, 12493), (1922, 11375), (2015, 10850), (2170, 10075), (2275, 9610), (2821, 7750), (3250, 6727), (3875, 5642), (4030, 5425), (4550, 4805)]