21041445836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1179

約数の個数: 96

約数和(自身を含む): 40997420352

約数和(自身を除く): 19955974516

約数列:

[1, 2, 4, 17, 34, 41, 53, 68, 82, 106, 157, 164, 212, 314, 628, 697, 901, 907, 1394, 1802, 1814, 2173, 2669, 2788, 3604, 3628, 4346, 5338, 6437, 8321, 8692, 10676, 12874, 15419, 16642, 25748, 30838, 33284, 36941, 37187, 48071, 61676, 73882, 74374, 96142, 109429, 141457, 142399, 147764, 148748, 192284, 218858, 282914, 284798, 341161, 437716, 565828, 569596, 632179, 682322, 817207, 1264358, 1364644, 1634414, 1970911, 2420783, 2528716, 3268828, 3941822, 4841566, 5799737, 5838359, 7547147, 7883644, 9683132, 11599474, 11676718, 15094294, 23198948, 23353436, 30188588, 33505487, 67010974, 99252103, 128301499, 134021948, 198504206, 256602998, 309433027, 397008412, 513205996, 618866054, 1237732108, 5260361459, 10520722918, 21041445836]

約数ペア:

[(1, 21041445836), (2, 10520722918), (4, 5260361459), (17, 1237732108), (34, 618866054), (41, 513205996), (53, 397008412), (68, 309433027), (82, 256602998), (106, 198504206), (157, 134021948), (164, 128301499), (212, 99252103), (314, 67010974), (628, 33505487), (697, 30188588), (901, 23353436), (907, 23198948), (1394, 15094294), (1802, 11676718), (1814, 11599474), (2173, 9683132), (2669, 7883644), (2788, 7547147), (3604, 5838359), (3628, 5799737), (4346, 4841566), (5338, 3941822), (6437, 3268828), (8321, 2528716), (8692, 2420783), (10676, 1970911), (12874, 1634414), (15419, 1364644), (16642, 1264358), (25748, 817207), (30838, 682322), (33284, 632179), (36941, 569596), (37187, 565828), (48071, 437716), (61676, 341161), (73882, 284798), (74374, 282914), (96142, 218858), (109429, 192284), (141457, 148748), (142399, 147764)]