21746190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 33089010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 67, 93, 134, 155, 186, 201, 310, 335, 349, 402, 465, 670, 698, 930, 1005, 1047, 1745, 2010, 2077, 2094, 3490, 4154, 5235, 6231, 10385, 10470, 10819, 12462, 20770, 21638, 23383, 31155, 32457, 46766, 54095, 62310, 64914, 70149, 108190, 116915, 140298, 162285, 233830, 324570, 350745, 701490, 724873, 1449746, 2174619, 3624365, 4349238, 7248730, 10873095, 21746190]

約数ペア:

[(1, 21746190), (2, 10873095), (3, 7248730), (5, 4349238), (6, 3624365), (10, 2174619), (15, 1449746), (30, 724873), (31, 701490), (62, 350745), (67, 324570), (93, 233830), (134, 162285), (155, 140298), (186, 116915), (201, 108190), (310, 70149), (335, 64914), (349, 62310), (402, 54095), (465, 46766), (670, 32457), (698, 31155), (930, 23383), (1005, 21638), (1047, 20770), (1745, 12462), (2010, 10819), (2077, 10470), (2094, 10385), (3490, 6231), (4154, 5235)]