21515675520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11206081}}^1$

素因数の和:11206103

約数の個数: 64

約数和(自身を含む): 68581221840

約数和(自身を除く): 47065546320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11206081, 22412162, 33618243, 44824324, 56030405, 67236486, 89648648, 112060810, 134472972, 168091215, 179297296, 224121620, 268945944, 336182430, 358594592, 448243240, 537891888, 672364860, 717189184, 896486480, 1075783776, 1344729720, 1434378368, 1792972960, 2151567552, 2689459440, 3585945920, 4303135104, 5378918880, 7171891840, 10757837760, 21515675520]

約数ペア:

[(1, 21515675520), (2, 10757837760), (3, 7171891840), (4, 5378918880), (5, 4303135104), (6, 3585945920), (8, 2689459440), (10, 2151567552), (12, 1792972960), (15, 1434378368), (16, 1344729720), (20, 1075783776), (24, 896486480), (30, 717189184), (32, 672364860), (40, 537891888), (48, 448243240), (60, 358594592), (64, 336182430), (80, 268945944), (96, 224121620), (120, 179297296), (128, 168091215), (160, 134472972), (192, 112060810), (240, 89648648), (320, 67236486), (384, 56030405), (480, 44824324), (640, 33618243), (960, 22412162), (1920, 11206081)]