21067020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3001}}^1$

素因数の和:3032

約数の個数: 96

約数和(自身を含む): 70607040

約数和(自身を除く): 49540020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3001, 3510, 6002, 7020, 9003, 12004, 15005, 18006, 27009, 30010, 36012, 39013, 45015, 54018, 60020, 78026, 81027, 90030, 108036, 117039, 135045, 156052, 162054, 180060, 195065, 234078, 270090, 324108, 351117, 390130, 405135, 468156, 540180, 585195, 702234, 780260, 810270, 1053351, 1170390, 1404468, 1620540, 1755585, 2106702, 2340780, 3511170, 4213404, 5266755, 7022340, 10533510, 21067020]

約数ペア:

[(1, 21067020), (2, 10533510), (3, 7022340), (4, 5266755), (5, 4213404), (6, 3511170), (9, 2340780), (10, 2106702), (12, 1755585), (13, 1620540), (15, 1404468), (18, 1170390), (20, 1053351), (26, 810270), (27, 780260), (30, 702234), (36, 585195), (39, 540180), (45, 468156), (52, 405135), (54, 390130), (60, 351117), (65, 324108), (78, 270090), (90, 234078), (108, 195065), (117, 180060), (130, 162054), (135, 156052), (156, 135045), (180, 117039), (195, 108036), (234, 90030), (260, 81027), (270, 78026), (351, 60020), (390, 54018), (468, 45015), (540, 39013), (585, 36012), (702, 30010), (780, 27009), (1170, 18006), (1404, 15005), (1755, 12004), (2340, 9003), (3001, 7020), (3510, 6002)]