21192990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1146

約数の個数: 96

約数和(自身を含む): 63776160

約数和(自身を除く): 42583170

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 245, 273, 294, 390, 455, 490, 546, 637, 735, 910, 1109, 1274, 1365, 1470, 1911, 2218, 2730, 3185, 3327, 3822, 5545, 6370, 6654, 7763, 9555, 11090, 14417, 15526, 16635, 19110, 23289, 28834, 33270, 38815, 43251, 46578, 54341, 72085, 77630, 86502, 100919, 108682, 116445, 144170, 163023, 201838, 216255, 232890, 271705, 302757, 326046, 432510, 504595, 543410, 605514, 706433, 815115, 1009190, 1412866, 1513785, 1630230, 2119299, 3027570, 3532165, 4238598, 7064330, 10596495, 21192990]

約数ペア:

[(1, 21192990), (2, 10596495), (3, 7064330), (5, 4238598), (6, 3532165), (7, 3027570), (10, 2119299), (13, 1630230), (14, 1513785), (15, 1412866), (21, 1009190), (26, 815115), (30, 706433), (35, 605514), (39, 543410), (42, 504595), (49, 432510), (65, 326046), (70, 302757), (78, 271705), (91, 232890), (98, 216255), (105, 201838), (130, 163023), (147, 144170), (182, 116445), (195, 108682), (210, 100919), (245, 86502), (273, 77630), (294, 72085), (390, 54341), (455, 46578), (490, 43251), (546, 38815), (637, 33270), (735, 28834), (910, 23289), (1109, 19110), (1274, 16635), (1365, 15526), (1470, 14417), (1911, 11090), (2218, 9555), (2730, 7763), (3185, 6654), (3327, 6370), (3822, 5545)]