21404804540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{12323}}^1$

素因数の和:13011

約数の個数: 96

約数和(自身を含む): 54162501120

約数和(自身を除く): 32757696580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 653, 665, 1306, 1330, 2612, 2660, 3265, 4571, 6530, 9142, 12323, 12407, 13060, 18284, 22855, 24646, 24814, 45710, 49292, 49628, 61615, 62035, 86261, 86849, 91420, 123230, 124070, 172522, 173698, 234137, 246460, 248140, 345044, 347396, 431305, 434245, 468274, 862610, 868490, 936548, 1170685, 1638959, 1725220, 1736980, 2341370, 3277918, 4682740, 6555836, 8046919, 8194795, 16093838, 16389590, 32187676, 32779180, 40234595, 56328433, 80469190, 112656866, 152891461, 160938380, 225313732, 281642165, 305782922, 563284330, 611565844, 764457305, 1070240227, 1126568660, 1528914610, 2140480454, 3057829220, 4280960908, 5351201135, 10702402270, 21404804540]

約数ペア:

[(1, 21404804540), (2, 10702402270), (4, 5351201135), (5, 4280960908), (7, 3057829220), (10, 2140480454), (14, 1528914610), (19, 1126568660), (20, 1070240227), (28, 764457305), (35, 611565844), (38, 563284330), (70, 305782922), (76, 281642165), (95, 225313732), (133, 160938380), (140, 152891461), (190, 112656866), (266, 80469190), (380, 56328433), (532, 40234595), (653, 32779180), (665, 32187676), (1306, 16389590), (1330, 16093838), (2612, 8194795), (2660, 8046919), (3265, 6555836), (4571, 4682740), (6530, 3277918), (9142, 2341370), (12323, 1736980), (12407, 1725220), (13060, 1638959), (18284, 1170685), (22855, 936548), (24646, 868490), (24814, 862610), (45710, 468274), (49292, 434245), (49628, 431305), (61615, 347396), (62035, 345044), (86261, 248140), (86849, 246460), (91420, 234137), (123230, 173698), (124070, 172522)]