21210176

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 84

約数和(自身を含む): 47690532

約数和(自身を除く): 26480356

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 53, 64, 74, 104, 106, 148, 169, 208, 212, 296, 338, 416, 424, 481, 592, 676, 689, 832, 848, 962, 1184, 1352, 1378, 1696, 1924, 1961, 2368, 2704, 2756, 3392, 3848, 3922, 5408, 5512, 6253, 7696, 7844, 8957, 10816, 11024, 12506, 15392, 15688, 17914, 22048, 25012, 25493, 30784, 31376, 35828, 44096, 50024, 50986, 62752, 71656, 100048, 101972, 125504, 143312, 200096, 203944, 286624, 331409, 400192, 407888, 573248, 662818, 815776, 1325636, 1631552, 2651272, 5302544, 10605088, 21210176]

約数ペア:

[(1, 21210176), (2, 10605088), (4, 5302544), (8, 2651272), (13, 1631552), (16, 1325636), (26, 815776), (32, 662818), (37, 573248), (52, 407888), (53, 400192), (64, 331409), (74, 286624), (104, 203944), (106, 200096), (148, 143312), (169, 125504), (208, 101972), (212, 100048), (296, 71656), (338, 62752), (416, 50986), (424, 50024), (481, 44096), (592, 35828), (676, 31376), (689, 30784), (832, 25493), (848, 25012), (962, 22048), (1184, 17914), (1352, 15688), (1378, 15392), (1696, 12506), (1924, 11024), (1961, 10816), (2368, 8957), (2704, 7844), (2756, 7696), (3392, 6253), (3848, 5512), (3922, 5408)]