21972007260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17438101}}^1$

素因数の和:17438123

約数の個数: 72

約数和(自身を含む): 76169629536

約数和(自身を除く): 54197622276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17438101, 34876202, 52314303, 69752404, 87190505, 104628606, 122066707, 156942909, 174381010, 209257212, 244133414, 261571515, 313885818, 348762020, 366200121, 488266828, 523143030, 610333535, 627771636, 732400242, 784714545, 1046286060, 1098600363, 1220667070, 1464800484, 1569429090, 1831000605, 2197200726, 2441334140, 3138858180, 3662001210, 4394401452, 5493001815, 7324002420, 10986003630, 21972007260]

約数ペア:

[(1, 21972007260), (2, 10986003630), (3, 7324002420), (4, 5493001815), (5, 4394401452), (6, 3662001210), (7, 3138858180), (9, 2441334140), (10, 2197200726), (12, 1831000605), (14, 1569429090), (15, 1464800484), (18, 1220667070), (20, 1098600363), (21, 1046286060), (28, 784714545), (30, 732400242), (35, 627771636), (36, 610333535), (42, 523143030), (45, 488266828), (60, 366200121), (63, 348762020), (70, 313885818), (84, 261571515), (90, 244133414), (105, 209257212), (126, 174381010), (140, 156942909), (180, 122066707), (210, 104628606), (252, 87190505), (315, 69752404), (420, 52314303), (630, 34876202), (1260, 17438101)]