21193032

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1249}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 61200000

約数和(自身を除く): 40006968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 101, 168, 202, 303, 404, 606, 707, 808, 1212, 1249, 1414, 2121, 2424, 2498, 2828, 3747, 4242, 4996, 5656, 7494, 8484, 8743, 9992, 14988, 16968, 17486, 26229, 29976, 34972, 52458, 69944, 104916, 126149, 209832, 252298, 378447, 504596, 756894, 883043, 1009192, 1513788, 1766086, 2649129, 3027576, 3532172, 5298258, 7064344, 10596516, 21193032]

約数ペア:

[(1, 21193032), (2, 10596516), (3, 7064344), (4, 5298258), (6, 3532172), (7, 3027576), (8, 2649129), (12, 1766086), (14, 1513788), (21, 1009192), (24, 883043), (28, 756894), (42, 504596), (56, 378447), (84, 252298), (101, 209832), (168, 126149), (202, 104916), (303, 69944), (404, 52458), (606, 34972), (707, 29976), (808, 26229), (1212, 17486), (1249, 16968), (1414, 14988), (2121, 9992), (2424, 8743), (2498, 8484), (2828, 7494), (3747, 5656), (4242, 4996)]