21328052000

素因数分解:

$2^5\times 5^3\times {\mathrm{2179}}^1\times {\mathrm{2447}}^1$

素因数の和:4651

約数の個数: 96

約数和(自身を含む): 52448497920

約数和(自身を除く): 31120445920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 2179, 2447, 4000, 4358, 4894, 8716, 9788, 10895, 12235, 17432, 19576, 21790, 24470, 34864, 39152, 43580, 48940, 54475, 61175, 69728, 78304, 87160, 97880, 108950, 122350, 174320, 195760, 217900, 244700, 272375, 305875, 348640, 391520, 435800, 489400, 544750, 611750, 871600, 978800, 1089500, 1223500, 1743200, 1957600, 2179000, 2447000, 4358000, 4894000, 5332013, 8716000, 9788000, 10664026, 21328052, 26660065, 42656104, 53320130, 85312208, 106640260, 133300325, 170624416, 213280520, 266600650, 426561040, 533201300, 666501625, 853122080, 1066402600, 1333003250, 2132805200, 2666006500, 4265610400, 5332013000, 10664026000, 21328052000]

約数ペア:

[(1, 21328052000), (2, 10664026000), (4, 5332013000), (5, 4265610400), (8, 2666006500), (10, 2132805200), (16, 1333003250), (20, 1066402600), (25, 853122080), (32, 666501625), (40, 533201300), (50, 426561040), (80, 266600650), (100, 213280520), (125, 170624416), (160, 133300325), (200, 106640260), (250, 85312208), (400, 53320130), (500, 42656104), (800, 26660065), (1000, 21328052), (2000, 10664026), (2179, 9788000), (2447, 8716000), (4000, 5332013), (4358, 4894000), (4894, 4358000), (8716, 2447000), (9788, 2179000), (10895, 1957600), (12235, 1743200), (17432, 1223500), (19576, 1089500), (21790, 978800), (24470, 871600), (34864, 611750), (39152, 544750), (43580, 489400), (48940, 435800), (54475, 391520), (61175, 348640), (69728, 305875), (78304, 272375), (87160, 244700), (97880, 217900), (108950, 195760), (122350, 174320)]