About the Number

213668820

213668819 ← → 213668821

2進数表記:1100101111000101001111010100

漢数字表記:二億千三百六十六万八千八百二十

素因数分解:

2 2 × 3 3 × 5 1 × 71 1 × 5573 1

素因数の和:5662
約数の個数: 96
約数和(自身を含む): 674231040
約数和(自身を除く): 460562220

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 426, 540, 639, 710, 852, 1065, 1278, 1420, 1917, 2130, 2556, 3195, 3834, 4260, 5573, 6390, 7668, 9585, 11146, 12780, 16719, 19170, 22292, 27865, 33438, 38340, 50157, 55730, 66876, 83595, 100314, 111460, 150471, 167190, 200628, 250785, 300942, 334380, 395683, 501570, 601884, 752355, 791366, 1003140, 1187049, 1504710, 1582732, 1978415, 2374098, 3009420, 3561147, 3956830, 4748196, 5935245, 7122294, 7913660, 10683441, 11870490, 14244588, 17805735, 21366882, 23740980, 35611470, 42733764, 53417205, 71222940, 106834410, 213668820]

約数ペア:
[(1, 213668820), (2, 106834410), (3, 71222940), (4, 53417205), (5, 42733764), (6, 35611470), (9, 23740980), (10, 21366882), (12, 17805735), (15, 14244588), (18, 11870490), (20, 10683441), (27, 7913660), (30, 7122294), (36, 5935245), (45, 4748196), (54, 3956830), (60, 3561147), (71, 3009420), (90, 2374098), (108, 1978415), (135, 1582732), (142, 1504710), (180, 1187049), (213, 1003140), (270, 791366), (284, 752355), (355, 601884), (426, 501570), (540, 395683), (639, 334380), (710, 300942), (852, 250785), (1065, 200628), (1278, 167190), (1420, 150471), (1917, 111460), (2130, 100314), (2556, 83595), (3195, 66876), (3834, 55730), (4260, 50157), (5573, 38340), (6390, 33438), (7668, 27865), (9585, 22292), (11146, 19170), (12780, 16719)]

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