21295968

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{13049}}^1$

素因数の和:13079

約数の個数: 48

約数和(自身を含む): 59194800

約数和(自身を除く): 37898832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 13049, 26098, 39147, 52196, 78294, 104392, 156588, 208784, 221833, 313176, 417568, 443666, 626352, 665499, 887332, 1252704, 1330998, 1774664, 2661996, 3549328, 5323992, 7098656, 10647984, 21295968]

約数ペア:

[(1, 21295968), (2, 10647984), (3, 7098656), (4, 5323992), (6, 3549328), (8, 2661996), (12, 1774664), (16, 1330998), (17, 1252704), (24, 887332), (32, 665499), (34, 626352), (48, 443666), (51, 417568), (68, 313176), (96, 221833), (102, 208784), (136, 156588), (204, 104392), (272, 78294), (408, 52196), (544, 39147), (816, 26098), (1632, 13049)]