21502348

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24462452

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 199, 227, 238, 398, 454, 476, 796, 908, 1393, 1589, 2786, 3178, 3383, 3859, 5572, 6356, 6766, 7718, 13532, 15436, 23681, 27013, 45173, 47362, 54026, 90346, 94724, 108052, 180692, 316211, 632422, 767941, 1264844, 1535882, 3071764, 5375587, 10751174, 21502348]

約数ペア:

[(1, 21502348), (2, 10751174), (4, 5375587), (7, 3071764), (14, 1535882), (17, 1264844), (28, 767941), (34, 632422), (68, 316211), (119, 180692), (199, 108052), (227, 94724), (238, 90346), (398, 54026), (454, 47362), (476, 45173), (796, 27013), (908, 23681), (1393, 15436), (1589, 13532), (2786, 7718), (3178, 6766), (3383, 6356), (3859, 5572)]