21201480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:380

約数の個数: 128

約数和(自身を含む): 71971200

約数和(自身を除く): 50769720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 67, 72, 90, 108, 120, 134, 135, 180, 201, 216, 268, 270, 293, 335, 360, 402, 536, 540, 586, 603, 670, 804, 879, 1005, 1080, 1172, 1206, 1340, 1465, 1608, 1758, 1809, 2010, 2344, 2412, 2637, 2680, 2930, 3015, 3516, 3618, 4020, 4395, 4824, 5274, 5860, 6030, 7032, 7236, 7911, 8040, 8790, 9045, 10548, 11720, 12060, 13185, 14472, 15822, 17580, 18090, 19631, 21096, 24120, 26370, 31644, 35160, 36180, 39262, 39555, 52740, 58893, 63288, 72360, 78524, 79110, 98155, 105480, 117786, 157048, 158220, 176679, 196310, 235572, 294465, 316440, 353358, 392620, 471144, 530037, 588930, 706716, 785240, 883395, 1060074, 1177860, 1413432, 1766790, 2120148, 2355720, 2650185, 3533580, 4240296, 5300370, 7067160, 10600740, 21201480]

約数ペア:

[(1, 21201480), (2, 10600740), (3, 7067160), (4, 5300370), (5, 4240296), (6, 3533580), (8, 2650185), (9, 2355720), (10, 2120148), (12, 1766790), (15, 1413432), (18, 1177860), (20, 1060074), (24, 883395), (27, 785240), (30, 706716), (36, 588930), (40, 530037), (45, 471144), (54, 392620), (60, 353358), (67, 316440), (72, 294465), (90, 235572), (108, 196310), (120, 176679), (134, 158220), (135, 157048), (180, 117786), (201, 105480), (216, 98155), (268, 79110), (270, 78524), (293, 72360), (335, 63288), (360, 58893), (402, 52740), (536, 39555), (540, 39262), (586, 36180), (603, 35160), (670, 31644), (804, 26370), (879, 24120), (1005, 21096), (1080, 19631), (1172, 18090), (1206, 17580), (1340, 15822), (1465, 14472), (1608, 13185), (1758, 12060), (1809, 11720), (2010, 10548), (2344, 9045), (2412, 8790), (2637, 8040), (2680, 7911), (2930, 7236), (3015, 7032), (3516, 6030), (3618, 5860), (4020, 5274), (4395, 4824)]