21066948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2039}}^1$

素因数の和:2097

約数の個数: 72

約数和(自身を含む): 62375040

約数和(自身を除く): 41308092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2039, 2583, 3444, 4078, 5166, 6117, 8156, 10332, 12234, 14273, 18351, 24468, 28546, 36702, 42819, 57092, 73404, 83599, 85638, 128457, 167198, 171276, 250797, 256914, 334396, 501594, 513828, 585193, 752391, 1003188, 1170386, 1504782, 1755579, 2340772, 3009564, 3511158, 5266737, 7022316, 10533474, 21066948]

約数ペア:

[(1, 21066948), (2, 10533474), (3, 7022316), (4, 5266737), (6, 3511158), (7, 3009564), (9, 2340772), (12, 1755579), (14, 1504782), (18, 1170386), (21, 1003188), (28, 752391), (36, 585193), (41, 513828), (42, 501594), (63, 334396), (82, 256914), (84, 250797), (123, 171276), (126, 167198), (164, 128457), (246, 85638), (252, 83599), (287, 73404), (369, 57092), (492, 42819), (574, 36702), (738, 28546), (861, 24468), (1148, 18351), (1476, 14273), (1722, 12234), (2039, 10332), (2583, 8156), (3444, 6117), (4078, 5166)]