21239190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33713}}^1$

素因数の和:33733

約数の個数: 48

約数和(自身を含む): 63112608

約数和(自身を除く): 41873418

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33713, 67426, 101139, 168565, 202278, 235991, 303417, 337130, 471982, 505695, 606834, 707973, 1011390, 1179955, 1415946, 1517085, 2123919, 2359910, 3034170, 3539865, 4247838, 7079730, 10619595, 21239190]

約数ペア:

[(1, 21239190), (2, 10619595), (3, 7079730), (5, 4247838), (6, 3539865), (7, 3034170), (9, 2359910), (10, 2123919), (14, 1517085), (15, 1415946), (18, 1179955), (21, 1011390), (30, 707973), (35, 606834), (42, 505695), (45, 471982), (63, 337130), (70, 303417), (90, 235991), (105, 202278), (126, 168565), (210, 101139), (315, 67426), (630, 33713)]