21876780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8893}}^1$

素因数の和:8946

約数の個数: 48

約数和(自身を含む): 62756064

約数和(自身を除く): 40879284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8893, 17786, 26679, 35572, 44465, 53358, 88930, 106716, 133395, 177860, 266790, 364613, 533580, 729226, 1093839, 1458452, 1823065, 2187678, 3646130, 4375356, 5469195, 7292260, 10938390, 21876780]

約数ペア:

[(1, 21876780), (2, 10938390), (3, 7292260), (4, 5469195), (5, 4375356), (6, 3646130), (10, 2187678), (12, 1823065), (15, 1458452), (20, 1093839), (30, 729226), (41, 533580), (60, 364613), (82, 266790), (123, 177860), (164, 133395), (205, 106716), (246, 88930), (410, 53358), (492, 44465), (615, 35572), (820, 26679), (1230, 17786), (2460, 8893)]