21071772

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 39408228

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 27, 34, 36, 46, 51, 54, 68, 69, 92, 102, 108, 138, 153, 204, 207, 276, 306, 391, 414, 459, 499, 612, 621, 782, 828, 918, 998, 1173, 1242, 1497, 1564, 1836, 1996, 2346, 2484, 2994, 3519, 4491, 4692, 5988, 7038, 8483, 8982, 10557, 11477, 13473, 14076, 16966, 17964, 21114, 22954, 25449, 26946, 33932, 34431, 42228, 45908, 50898, 53892, 68862, 76347, 101796, 103293, 137724, 152694, 195109, 206586, 229041, 305388, 309879, 390218, 413172, 458082, 585327, 619758, 780436, 916164, 1170654, 1239516, 1755981, 2341308, 3511962, 5267943, 7023924, 10535886, 21071772]

約数ペア:

[(1, 21071772), (2, 10535886), (3, 7023924), (4, 5267943), (6, 3511962), (9, 2341308), (12, 1755981), (17, 1239516), (18, 1170654), (23, 916164), (27, 780436), (34, 619758), (36, 585327), (46, 458082), (51, 413172), (54, 390218), (68, 309879), (69, 305388), (92, 229041), (102, 206586), (108, 195109), (138, 152694), (153, 137724), (204, 103293), (207, 101796), (276, 76347), (306, 68862), (391, 53892), (414, 50898), (459, 45908), (499, 42228), (612, 34431), (621, 33932), (782, 26946), (828, 25449), (918, 22954), (998, 21114), (1173, 17964), (1242, 16966), (1497, 14076), (1564, 13473), (1836, 11477), (1996, 10557), (2346, 8982), (2484, 8483), (2994, 7038), (3519, 5988), (4491, 4692)]