21790790280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8647139}}^1$

素因数の和:8647163

約数の個数: 96

約数和(自身を含む): 80937230400

約数和(自身を除く): 59146440120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8647139, 17294278, 25941417, 34588556, 43235695, 51882834, 60529973, 69177112, 77824251, 86471390, 103765668, 121059946, 129707085, 155648502, 172942780, 181589919, 207531336, 242119892, 259414170, 302649865, 311297004, 345885560, 363179838, 389121255, 484239784, 518828340, 544769757, 605299730, 622594008, 726359676, 778242510, 907949595, 1037656680, 1089539514, 1210599460, 1452719352, 1556485020, 1815899190, 2179079028, 2421198920, 2723848785, 3112970040, 3631798380, 4358158056, 5447697570, 7263596760, 10895395140, 21790790280]

約数ペア:

[(1, 21790790280), (2, 10895395140), (3, 7263596760), (4, 5447697570), (5, 4358158056), (6, 3631798380), (7, 3112970040), (8, 2723848785), (9, 2421198920), (10, 2179079028), (12, 1815899190), (14, 1556485020), (15, 1452719352), (18, 1210599460), (20, 1089539514), (21, 1037656680), (24, 907949595), (28, 778242510), (30, 726359676), (35, 622594008), (36, 605299730), (40, 544769757), (42, 518828340), (45, 484239784), (56, 389121255), (60, 363179838), (63, 345885560), (70, 311297004), (72, 302649865), (84, 259414170), (90, 242119892), (105, 207531336), (120, 181589919), (126, 172942780), (140, 155648502), (168, 129707085), (180, 121059946), (210, 103765668), (252, 86471390), (280, 77824251), (315, 69177112), (360, 60529973), (420, 51882834), (504, 43235695), (630, 34588556), (840, 25941417), (1260, 17294278), (2520, 8647139)]