About the Number

2129641245

2129641244 ← → 2129641246

2進数表記:1111110111011111011111100011101

漢数字表記:二十一億二千九百六十四万千二百四十五

素因数分解:

3 2 × 5 1 × 29 1 × 173 1 × 9433 1

素因数の和:9646
約数の個数: 48
約数和(自身を含む): 3841147440
約数和(自身を除く): 1711506195

約数列:
[1, 3, 5, 9, 15, 29, 45, 87, 145, 173, 261, 435, 519, 865, 1305, 1557, 2595, 5017, 7785, 9433, 15051, 25085, 28299, 45153, 47165, 75255, 84897, 141495, 225765, 273557, 424485, 820671, 1367785, 1631909, 2462013, 4103355, 4895727, 8159545, 12310065, 14687181, 24478635, 47325361, 73435905, 141976083, 236626805, 425928249, 709880415, 2129641245]

約数ペア:
[(1, 2129641245), (3, 709880415), (5, 425928249), (9, 236626805), (15, 141976083), (29, 73435905), (45, 47325361), (87, 24478635), (145, 14687181), (173, 12310065), (261, 8159545), (435, 4895727), (519, 4103355), (865, 2462013), (1305, 1631909), (1557, 1367785), (2595, 820671), (5017, 424485), (7785, 273557), (9433, 225765), (15051, 141495), (25085, 84897), (28299, 75255), (45153, 47165)]

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