21832590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 62052480

約数和(自身を除く): 40219890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 37, 39, 51, 65, 74, 78, 85, 89, 102, 111, 130, 170, 178, 185, 195, 221, 222, 255, 267, 370, 390, 442, 445, 481, 510, 534, 555, 629, 663, 890, 962, 1105, 1110, 1157, 1258, 1326, 1335, 1443, 1513, 1887, 2210, 2314, 2405, 2670, 2886, 3026, 3145, 3293, 3315, 3471, 3774, 4539, 4810, 5785, 6290, 6586, 6630, 6942, 7215, 7565, 8177, 9078, 9435, 9879, 11570, 14430, 15130, 16354, 16465, 17355, 18870, 19669, 19758, 22695, 24531, 32930, 34710, 39338, 40885, 42809, 45390, 49062, 49395, 55981, 59007, 81770, 85618, 98345, 98790, 111962, 118014, 122655, 128427, 167943, 196690, 214045, 245310, 256854, 279905, 295035, 335886, 428090, 559810, 590070, 642135, 727753, 839715, 1284270, 1455506, 1679430, 2183259, 3638765, 4366518, 7277530, 10916295, 21832590]

約数ペア:

[(1, 21832590), (2, 10916295), (3, 7277530), (5, 4366518), (6, 3638765), (10, 2183259), (13, 1679430), (15, 1455506), (17, 1284270), (26, 839715), (30, 727753), (34, 642135), (37, 590070), (39, 559810), (51, 428090), (65, 335886), (74, 295035), (78, 279905), (85, 256854), (89, 245310), (102, 214045), (111, 196690), (130, 167943), (170, 128427), (178, 122655), (185, 118014), (195, 111962), (221, 98790), (222, 98345), (255, 85618), (267, 81770), (370, 59007), (390, 55981), (442, 49395), (445, 49062), (481, 45390), (510, 42809), (534, 40885), (555, 39338), (629, 34710), (663, 32930), (890, 24531), (962, 22695), (1105, 19758), (1110, 19669), (1157, 18870), (1258, 17355), (1326, 16465), (1335, 16354), (1443, 15130), (1513, 14430), (1887, 11570), (2210, 9879), (2314, 9435), (2405, 9078), (2670, 8177), (2886, 7565), (3026, 7215), (3145, 6942), (3293, 6630), (3315, 6586), (3471, 6290), (3774, 5785), (4539, 4810)]