21714105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 41762304

約数和(自身を除く): 20048199

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 651, 735, 953, 1085, 1519, 2859, 3255, 4557, 4765, 6671, 7595, 14295, 20013, 22785, 29543, 33355, 46697, 88629, 100065, 140091, 147715, 206801, 233485, 443145, 620403, 700455, 1034005, 1447607, 3102015, 4342821, 7238035, 21714105]

約数ペア:

[(1, 21714105), (3, 7238035), (5, 4342821), (7, 3102015), (15, 1447607), (21, 1034005), (31, 700455), (35, 620403), (49, 443145), (93, 233485), (105, 206801), (147, 147715), (155, 140091), (217, 100065), (245, 88629), (465, 46697), (651, 33355), (735, 29543), (953, 22785), (1085, 20013), (1519, 14295), (2859, 7595), (3255, 6671), (4557, 4765)]