21662130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3603

約数の個数: 64

約数和(自身を含む): 61482240

約数和(自身を除く): 39820110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3557, 6090, 7114, 10671, 17785, 21342, 24899, 35570, 49798, 53355, 74697, 103153, 106710, 124495, 149394, 206306, 248990, 309459, 373485, 515765, 618918, 722071, 746970, 1031530, 1444142, 1547295, 2166213, 3094590, 3610355, 4332426, 7220710, 10831065, 21662130]

約数ペア:

[(1, 21662130), (2, 10831065), (3, 7220710), (5, 4332426), (6, 3610355), (7, 3094590), (10, 2166213), (14, 1547295), (15, 1444142), (21, 1031530), (29, 746970), (30, 722071), (35, 618918), (42, 515765), (58, 373485), (70, 309459), (87, 248990), (105, 206306), (145, 149394), (174, 124495), (203, 106710), (210, 103153), (290, 74697), (406, 53355), (435, 49798), (609, 35570), (870, 24899), (1015, 21342), (1218, 17785), (2030, 10671), (3045, 7114), (3557, 6090)]