21126546

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1448

約数の個数: 72

約数和(自身を含む): 56419740

約数和(自身を除く): 35293194

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 238, 294, 306, 357, 441, 714, 833, 882, 1071, 1409, 1666, 2142, 2499, 2818, 4227, 4998, 7497, 8454, 9863, 12681, 14994, 19726, 23953, 25362, 29589, 47906, 59178, 69041, 71859, 88767, 138082, 143718, 167671, 177534, 207123, 215577, 335342, 414246, 431154, 503013, 621369, 1006026, 1173697, 1242738, 1509039, 2347394, 3018078, 3521091, 7042182, 10563273, 21126546]

約数ペア:

[(1, 21126546), (2, 10563273), (3, 7042182), (6, 3521091), (7, 3018078), (9, 2347394), (14, 1509039), (17, 1242738), (18, 1173697), (21, 1006026), (34, 621369), (42, 503013), (49, 431154), (51, 414246), (63, 335342), (98, 215577), (102, 207123), (119, 177534), (126, 167671), (147, 143718), (153, 138082), (238, 88767), (294, 71859), (306, 69041), (357, 59178), (441, 47906), (714, 29589), (833, 25362), (882, 23953), (1071, 19726), (1409, 14994), (1666, 12681), (2142, 9863), (2499, 8454), (2818, 7497), (4227, 4998)]