21132510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 58586112

約数和(自身を除く): 37453602

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 103, 105, 206, 210, 309, 515, 618, 721, 977, 1030, 1442, 1545, 1954, 2163, 2931, 3090, 3605, 4326, 4885, 5862, 6839, 7210, 9770, 10815, 13678, 14655, 20517, 21630, 29310, 34195, 41034, 68390, 100631, 102585, 201262, 205170, 301893, 503155, 603786, 704417, 1006310, 1408834, 1509465, 2113251, 3018930, 3522085, 4226502, 7044170, 10566255, 21132510]

約数ペア:

[(1, 21132510), (2, 10566255), (3, 7044170), (5, 4226502), (6, 3522085), (7, 3018930), (10, 2113251), (14, 1509465), (15, 1408834), (21, 1006310), (30, 704417), (35, 603786), (42, 503155), (70, 301893), (103, 205170), (105, 201262), (206, 102585), (210, 100631), (309, 68390), (515, 41034), (618, 34195), (721, 29310), (977, 21630), (1030, 20517), (1442, 14655), (1545, 13678), (1954, 10815), (2163, 9770), (2931, 7210), (3090, 6839), (3605, 5862), (4326, 4885)]