21867090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3359}}^1$

素因数の和:3407

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 40064430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 3359, 6510, 6718, 10077, 16795, 20154, 23513, 33590, 47026, 50385, 70539, 100770, 104129, 117565, 141078, 208258, 235130, 312387, 352695, 520645, 624774, 705390, 728903, 1041290, 1457806, 1561935, 2186709, 3123870, 3644515, 4373418, 7289030, 10933545, 21867090]

約数ペア:

[(1, 21867090), (2, 10933545), (3, 7289030), (5, 4373418), (6, 3644515), (7, 3123870), (10, 2186709), (14, 1561935), (15, 1457806), (21, 1041290), (30, 728903), (31, 705390), (35, 624774), (42, 520645), (62, 352695), (70, 312387), (93, 235130), (105, 208258), (155, 141078), (186, 117565), (210, 104129), (217, 100770), (310, 70539), (434, 50385), (465, 47026), (651, 33590), (930, 23513), (1085, 20154), (1302, 16795), (2170, 10077), (3255, 6718), (3359, 6510)]