17721684

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 31811436

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 612, 782, 828, 1173, 1259, 1564, 2346, 2518, 3519, 3777, 4692, 5036, 7038, 7554, 11331, 14076, 15108, 21403, 22662, 28957, 42806, 45324, 57914, 64209, 85612, 86871, 115828, 128418, 173742, 192627, 256836, 260613, 347484, 385254, 492269, 521226, 770508, 984538, 1042452, 1476807, 1969076, 2953614, 4430421, 5907228, 8860842, 17721684]

約数ペア:

[(1, 17721684), (2, 8860842), (3, 5907228), (4, 4430421), (6, 2953614), (9, 1969076), (12, 1476807), (17, 1042452), (18, 984538), (23, 770508), (34, 521226), (36, 492269), (46, 385254), (51, 347484), (68, 260613), (69, 256836), (92, 192627), (102, 173742), (138, 128418), (153, 115828), (204, 86871), (207, 85612), (276, 64209), (306, 57914), (391, 45324), (414, 42806), (612, 28957), (782, 22662), (828, 21403), (1173, 15108), (1259, 14076), (1564, 11331), (2346, 7554), (2518, 7038), (3519, 5036), (3777, 4692)]