21383496

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39269304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 71, 72, 89, 94, 141, 142, 178, 188, 213, 267, 282, 284, 356, 376, 423, 426, 534, 564, 568, 639, 712, 801, 846, 852, 1068, 1128, 1278, 1602, 1692, 1704, 2136, 2556, 3204, 3337, 3384, 4183, 5112, 6319, 6408, 6674, 8366, 10011, 12549, 12638, 13348, 16732, 18957, 20022, 25098, 25276, 26696, 30033, 33464, 37647, 37914, 40044, 50196, 50552, 56871, 60066, 75294, 75828, 80088, 100392, 113742, 120132, 150588, 151656, 227484, 240264, 296993, 301176, 454968, 593986, 890979, 1187972, 1781958, 2375944, 2672937, 3563916, 5345874, 7127832, 10691748, 21383496]

約数ペア:

[(1, 21383496), (2, 10691748), (3, 7127832), (4, 5345874), (6, 3563916), (8, 2672937), (9, 2375944), (12, 1781958), (18, 1187972), (24, 890979), (36, 593986), (47, 454968), (71, 301176), (72, 296993), (89, 240264), (94, 227484), (141, 151656), (142, 150588), (178, 120132), (188, 113742), (213, 100392), (267, 80088), (282, 75828), (284, 75294), (356, 60066), (376, 56871), (423, 50552), (426, 50196), (534, 40044), (564, 37914), (568, 37647), (639, 33464), (712, 30033), (801, 26696), (846, 25276), (852, 25098), (1068, 20022), (1128, 18957), (1278, 16732), (1602, 13348), (1692, 12638), (1704, 12549), (2136, 10011), (2556, 8366), (3204, 6674), (3337, 6408), (3384, 6319), (4183, 5112)]