About the Number

11021220

11021219 ← → 11021221

2進数表記:101010000010101110100100

漢数字表記:千百二万千二百二十

素因数分解:

2 2 × 3 2 × 5 1 × 7 1 × 8747 1

素因数の和:8769
約数の個数: 72
約数和(自身を含む): 38211264
約数和(自身を除く): 27190044

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 8747, 17494, 26241, 34988, 43735, 52482, 61229, 78723, 87470, 104964, 122458, 131205, 157446, 174940, 183687, 244916, 262410, 306145, 314892, 367374, 393615, 524820, 551061, 612290, 734748, 787230, 918435, 1102122, 1224580, 1574460, 1836870, 2204244, 2755305, 3673740, 5510610, 11021220]

約数ペア:
[(1, 11021220), (2, 5510610), (3, 3673740), (4, 2755305), (5, 2204244), (6, 1836870), (7, 1574460), (9, 1224580), (10, 1102122), (12, 918435), (14, 787230), (15, 734748), (18, 612290), (20, 551061), (21, 524820), (28, 393615), (30, 367374), (35, 314892), (36, 306145), (42, 262410), (45, 244916), (60, 183687), (63, 174940), (70, 157446), (84, 131205), (90, 122458), (105, 104964), (126, 87470), (140, 78723), (180, 61229), (210, 52482), (252, 43735), (315, 34988), (420, 26241), (630, 17494), (1260, 8747)]

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