About the Number

21021282

21021281 ← → 21021283

2進数表記:1010000001100001001100010

漢数字表記:二千百二万千二百八十二

素因数分解:

2 1 × 3 4 × 17 2 × 449 1

素因数の和:497
約数の個数: 60
約数和(自身を含む): 50148450
約数和(自身を除く): 29127168

約数列:
[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 289, 306, 449, 459, 578, 867, 898, 918, 1347, 1377, 1734, 2601, 2694, 2754, 4041, 5202, 7633, 7803, 8082, 12123, 15266, 15606, 22899, 23409, 24246, 36369, 45798, 46818, 68697, 72738, 129761, 137394, 206091, 259522, 389283, 412182, 618273, 778566, 1167849, 1236546, 2335698, 3503547, 7007094, 10510641, 21021282]

約数ペア:
[(1, 21021282), (2, 10510641), (3, 7007094), (6, 3503547), (9, 2335698), (17, 1236546), (18, 1167849), (27, 778566), (34, 618273), (51, 412182), (54, 389283), (81, 259522), (102, 206091), (153, 137394), (162, 129761), (289, 72738), (306, 68697), (449, 46818), (459, 45798), (578, 36369), (867, 24246), (898, 23409), (918, 22899), (1347, 15606), (1377, 15266), (1734, 12123), (2601, 8082), (2694, 7803), (2754, 7633), (4041, 5202)]

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